Official NASA Twitter accounts

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See also, list of twitter accounts: Official NASA | ...sorted by followers | Space Related (all others) | ...sorted by followers | NOAA
List on this twitter page: http://twitter.com/#!/tweetupspace/official-nasa/members
Total on this complete list: 157 (not including inactive)

Please only add to this page twitter accounts which represent a NASA center, facility, mission, or organization. Do not add enthusiast or fan twitter accounts. We were finding that the official list of NASA twitter accounts at http://www.nasa.gov/connect/ was not listing the full range of official NASA twitter accounts, so we thought a page in the wiki would be a better way to keep track of them. Also, only add accounts that have posted within the last 6 months to the top part of this list. The last section of this page is for inactive accounts.

Here is a list of other lists:

Contents

Main

@NASA Main NASA account http://www.nasa.gov/connect
@NASA_Astronauts Hear from all NASA's astronauts on Twitter, plus updates on astronaut activities here.

Official NASA Field Centers

See this NASA.gov page: http://www.nasa.gov/about/sites/index.html & NASA Twitter list: http://twitter.com/#!/NASA/centers/members
Total on this list: 11
@nasaames Moffett Field, CA, Silicon Valley, Ames Research Center (Silicon Valley) enables exploration through development of innovative technologies and interdisciplinary scientific discovery. http://www.nasa.gov/ames
@nasaarmstrong Edwards, CA, The Armstrong Flight Research Center is NASA's primary center for atmospheric flight research and operations. http://www.nasa.gov/centers/dryden/home/index.html
@NASAGlenn Cleveland, Ohio, News and stories from NASA's Glenn Research Center http://www.nasa.gov/glenn
@NASAGoddard Greenbelt, MD USA, Tweeting the best in NASA astronomy, Earth sciences and robotic exploration for the Goddard Space Flight Center. http://www.nasa.gov/goddard
@NASAJPL Pasadena, Calif., NASA Jet Propulsion Laboratory manages many of NASA's robotic missions exploring Earth, the solar system and our universe. Tweets from JPL's News Office. http://www.jpl.nasa.gov
@NASA_Johnson Johnson Space Center, Houston, TX, NASA's JSC is the lead center for the International Space Station, Orion MPCV, and is home of the Mission Control Center and NASA astronaut corps. http://www.nasa.gov/centers/johnson/home/index.html
@NASAKennedy Kennedy Space Center, Florida, USA, Official Tweets from NASA’s Kennedy Space Center. http://www.nasa.gov/kennedy
@nasa_langley Langley Research Center, Hampton, VA, USA, NASA's Langley Research Center http://www.nasa.gov/langley
@NASA_Marshall Marshall Space Flight Center, Huntsville, Alabama USA, News about NASA's Marshall Space Flight Center - Space Shuttle, Rockets, Science, Engineering, & Space Station Science. http://www.nasa.gov/centers/marshall/news/index.html
@NASA_NSSC NASA Shared Services Center, Stennis Space Center, MS, The NSSC consolidated select business activities to improve customer service and provide business support comparable to our Agency's technical excellence. http://www.nssc.nasa.gov
@NASAStennis Stennis Space Center, Stennis Space Center, MS http://www.nasa.gov/centers/stennis/home/index.html

Facilities

@NASA_Wallops Wallops Flight Facility, Wallops Island, VA, Launch Information http://www.nasa.gov/centers/wallops/home/index.html
@CanberraDSN Education & Outreach, Canberra, Australia, Part of NASA's Deep Space Network - Exploring the Solar System and Beyond http://www.cdscc.nasa.gov

Tweetups, Blogs, Podcasts, & Images

Total on this list: 13
@apod Goddard Space Flight Center, Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. http://apod.nasa.gov/apod/ GSFC
@NASASocial Account for NASA Tweetup events http://www.nasa.gov/tweetup HQ
@jpltweetup Pasadena, Calif., This account follows the staff and guests of #NASATweetup events held at NASA's Jet Propulsion Laboratory. The next event at @NASAJPL will be June 6, 2011. http://go.nasa.gov/JPLtweet JPL
@NASA_APPEL NASA Academy of Program and Project Leadership http://www.nasa.gov/offices/oce/appel/home/index.html HQ, Office of the Chief Engineer
@NASA_FB NASA Facebook, Washington, DC, NASA on Facebook http://www.facebook.com/business/dashboard/?ref=sb#/nasa.gov
Just reposts everything posted on NASA Facebook Fan page
HQ
@NASA_EDGE The show that takes an inside and outside look at all things NASA! http://www.nasa.gov/nasaedge LaRC
@NASA_GoddardPix NASA Goddard Images, NASA Goddard is home to great pix, vids & visualizations. We Tweet the very best of them to you! http://www.flickr.com/photos/gsfc/ GSFC
@NASA360 NASA Langley Research Center, http://www.nasa.gov/nasa360 LaRC
@NASAblueshift Greenbelt, MD, Blueshift: Bringing the Universe down to Earth with podcasts, blogs, and more! http://universe.nasa.gov/blueshift GSFC
@nasagogblog I am the Geeked On Goddard blogger at NASA Goddard Space Flight Center, taking an irreverent insider's view on science, engineering, and worklife at Goddard. http://geeked.gsfc.nasa.gov GSFC
@nasahqphoto Washington, DC, NASA Headquarters Photo Department. Washington, DC http://www.flickr.com/photos/nasahqphoto HQ
@NASAWhatonEarth Greenbelt, Md., Earth science news, notes, and more from NASA's What on Earth blog... http://blogs.nasa.gov/cm/blog/whatonearth GSFC
@SphereNASA Sphere News at NASA, NASA Goddard Space Flight Cent, The Sphere lives here. 3D goes deep. Advanced media projects take flight. We make planets pirouette, oceans roll, parachutes pop, and imaginations soar. http://www.nasa.gov GSFC

Flight Missions

Total on this list: 33

Orbital satellites, deep space missions, and landers on foreign bodies.

@AMS_02 AMS-02 Collaboration - AMS-02 the Alpha Magnetic Spectrometer high energy science experiment http://www.ams02.org
@AMSISS The Alpha Magnetic Spectrometer is a high energy science experiment for the International Space Station. http://ams.nasa.gov JSC
@CassiniSaturn CassiniSaturn http://saturn.jpl.nasa.gov/home/index.cfm JPL
@chandraxray Chandra Observatory, In orbit, Chandra's ongoing mission is to study the X-ray Universe, including black holes, new stars, and clusters of galaxies http://chandra.si.edu
@cometexplorer Deep Impact Flyby, heliocentric orbit Recycled spacecraft working on my second job. http://epoxi.umd.edu
@GEMS_NASA Goddard Space Flight Center, An exciting new mission by NASA’s Goddard Space Flight Center, Gravity and Extreme Magnetism SMEX (GEMS), will measure the polarization of cosmic X-rays. http://gems.gsfc.nasa.gov GSFC
@GRAIL_MoonKAM A free classroom program giving 5th-8th grade students the chance take part in NASA's GRAIL Mission. http://www.grailmoonkam.com/
@HiRISE High-Resolution Imaging Science Experiment on Mars Reconnaissance Orbiter (MRO). Taking beautiful 25 cm/px pics of Mars 24/7. Request your own images w/ HiWish! http://www.uahirise.org/
@IBEX_NASA The Interstellar Boundary EXplorer, IBEX is a small explorer NASA mission to map the boundary of the Solar System. http://ibex.swri.edu JPL/SwRI
@ISS_Research ISS Program Science Office, NASA's official source for research news from the International Space Station (ISS) - The world's laboratory in orbit. http://www.nasa.gov/mission_pages/station/science/index.html JSC
@ladee_nasa NASA's Ames Research Center, Lunar Atmosphere and Dust Environment Explorer - NASA Science Mission to the Moon under development; set for launch 2013! http://www.nasa.gov/LADEE ARC
@LRO_NASA Lunar Reconnaissance Orbiter, Greenbelt, MD, I am a NASA lunar mission, currently in orbit ~50 km (30 mi) above the Moon! http://lunar.gsfc.nasa.gov GSFC
@marscuriosity Curiosity Mars Rover, The next mission to Mars. I launch in 2011! http://mars.jpl.nasa.gov/msl/ JPL
@MarsPhoenix Mars Phoenix, the one that started it all http://www.jpl.nasa.gov/news/phoenix/main.php JPL
@MarsRovers Name: Spirit and Oppy, Location: Mars: Gusev Crater & Meridiani, Roaming the Red Planet on six wheels since Jan 2004. The official mission Twitter of the Spirit and Opportunity rovers. http://marsrovers.jpl.nasa.gov JPL
@MAVEN2Mars NASA's MAVEN Mission, Boulder, CO, MAVEN, set to launch in 2013, will explore Mars' upper atmosphere, ionosphere & interactions with the sun & solar wind. http://lasp.colorado.edu/maven http://www.nasa.gov/maven GSFC
@MESSENGER2011 I am a NASA Discovery Mission to Mercury. First spacecraft to orbit Mercury. http://messenger.jhuapl.edu
@NewHorizons2015 The First Space Mission to Explore Planet Pluto and the Kuiper Belt http://pluto.jhuapl.edu/
@NanoSailD Deploy NASA's first solar sail leveraging work by MSFC approved under the SMD In-Space Propulsion Program http://www.nasa.gov/mission_pages/smallsats/nanosaild.html MSFC/ARC
@NASANPP NPP Mission (launching late 2011) http://npp.gsfc.nasa.gov GSFC
@NASA_Dawn NASA's Dawn Mission, Location: the asteroid belt, The first true spaceship with two ports of call, the most massive objects in the asteroid belt: Vesta and Ceres. Tweets from Dawn's outreach & media team http://dawn.jpl.nasa.gov JPL
@NASA_Hubble Hubble, Goddard Space Flight Center, Your official Twitter source for things relating to NASA's Hubble Space Telescope (HST) http://www.nasa.gov/mission_pages/hubble/servicing/SM4/main/index.html GSFC
@NASA_Landsat NASA Landsat Program, Greenbelt, MD, The Landsat Program is a series of Earth-observing satellite missions jointly managed by NASA and USGS. The first Landsat satellite launched in 1972. http://landsat.gsfc.nasa.gov GSFC
@NASA_MMS NASA MMS Mission, NASA, The Magnetospheric Multiscale (MMS) mission is comprised of four identically instrumented spacecraft that will study the microphysics of magnetic reconnection. http://mms.gsfc.nasa.gov GSFC
@NASA_OOREOS Organism/Organic Exposure to Orbital Stresses, Nanosat http://www.nasa.gov/mission_pages/smallsats/ooreos/main/ ARC
@NASA_Rain Representing the TRMM and GPM missions http://pmm.nasa.gov/
@NASA_SDO Greenbelt, MD, The Solar Dynamics Observatory, NASA's newest eye on the sun! http://sdo.gsfc.nasa.gov/ GSFC
@NASAJuno Trekking to Jupiter to improve our understanding of the planet’s origins and the formation of planetary systems everywhere. Also at www.nasa.gov/juno http://missionjuno.swri.edu JPL
@NASAKepler Trailing Earth around the Sun, The Kepler Mission is designed to survey our region of the Milky Way galaxy to discover Earth-size planets in the habitable zone. http://kepler.nasa.gov ARC
@NASA_SMAP NASA SMAP, JPL and GSFC, Soil Moisture Active Passive Mission: Launching in 2015. This mission will focus on soil moisture and freeze/thaw measurements. http://smap.jpl.nasa.gov
@NASAspitzer Spitzer Space Telescope (Infrared), NASA's Spitzer Space Telescope - the infrared Great Observatory. Observes asteroids, comets, extrasolar planets, stars, galaxies and more... http://www.spitzer.caltech.edu JPL
@NASAVoyager NASA Voyager, The Edge of Our Solar System, The official account for NASA’s twin Voyager 1 & 2 spacecraft, the longest currently-operating spacecraft in deep space. http://voyager.jpl.nasa.gov/ JPL
@NASAVoyager2 Below the Scattered Disc, I can barely hear you, let alone see you... http://voyager.jpl.nasa.gov/ JPL
@NASAWebbTelescp James Webb Space Telescope, NASA's James Webb Space Telescope will give us an amazing look at the universe! The project is working to a 2018 launch date. http://www.jwst.nasa.gov GSFC
@NASA_SLS NASA's Space Launch System is a heavy-lift launch vehicle capable of powering the Orion spacecraft and cargo beyond low Earth orbit. Huntsville, AL · http://www.nasa.gov/sls
@WISE_Mission NASA's Wide-field Infrared Survey Explorer http://wise.ssl.berkeley.edu/ GSFC

Other Missions and Projects

Total on this list: 27

Other missions and projects that are not orbital, deep space, or robots on another body.

@Camilla_SDO || I am Camilla Corona SDO, NASA SDO's Mission Mascot. I help with Education & Public Outreach and I train to fly to Space. http://sdo.gsfc.nasa.gov/swx/http://camilla-corona-sdo.blogspot.com/ || GSFC
@AstroRobonaut Robonaut, A humanoid robot designed to work side by side with humans, or go where the risks are too great for people.
@Commercial_Crew Commercial Crew Program objective is to facilitate the development of a certified Crew Transportation System for access to the International Space Station. JSC
@DESERT_RATS The NASA Desert RATS consists of multiple groups from NASA centers, universities, and other organizations. Goal: human-robotic systems for space exploration! http://www.nasa.gov/exploration/analogs/desert_rats.html JSC
@J2XEngine A highly efficient and versatile rocket engine with the ideal thrust and performance characteristics to power the upper stage of a heavy lift launch vehicle. http://www.nasa.gov/mission_pages/j2x/ JSC
@MOONBUGGYRACE NASA Marshall Center, Huntsville, Ala., NASA's 17th annual Great Moonbuggy Race, April 9-10, 2010 http://moonbuggy.msfc.nasa.gov MSFC
@MorpheusLander Morpheus Lander at JSC, designed by NASA, built by Armadillo Aerospace. http://morpheuslander.jsc.nasa.gov JSC
@NASA_Airborne NASA Airborne Science Program. We are NASA flying science laboratories! http://airbornescience.nasa.gov
@NASA_Supercomp NASA_Supercomputing
@NASA_NAS NAS Supercomputing http://www.nas.nasa.gov
@NASA_NCCS NCCS User News, Greenbelt, MD USA NASA Center for Climate Simulation (NCCS) system status, hardware/software updates, events, tips, and more. Contact us at 301-286-9120 or support@nccs.nasa.gov. http://www.nccs.nasa.gov/
@NASALARSS NASA LARSS Providing paid, mentored, research opportunities at NASA LaRC for 25 years!
@nasafo Flight Opportunities, We develop & provide flight opportunities for space technologies to be demonstrated and validated in relevant environments. We foster commercial space. http://flightopportunities.nasa.gov HQ
@NASA_Giovanni NASA Giovanni, Greenbelt, Maryland, NASA's Giovanni data visualization and analysis system; the BRIDGE between data and science! http://giovanni.gsfc.nasa.gov GSFC
@NASA_NEEMO Atlantic Ocean, NEEMO -- the NASA Extreme Environment Mission Operations project -- sends groups of explorers to live in Aquarius, an underwater lab. http://www.nasa.gov/mission_pages/NEEMO/ JSC
@NASAOIG Washington, DC, Official NASA Office of Inspector General account. To report fraud, theft, and misconduct call 1-800-424-9183 or go to http://oig.nasa.gov/cyberhotline.html http://oig.nasa.gov HQ
@NASA_RAP Robotics Alliance Project, To create a human, technical, and programmatic resource of robotics capabilities to enable the implementation of future robot http://robotics.nasa.gov ARC
@NASA_RGEFP RG Education Flight, Houston, TX, Reduced Gravity Education Flight Program http://microgravityuniversity.jsc.nasa.gov JSC
@NASAPrize Centennial Challenge http://www.nasa.gov/challenges HQ
@NASAViz Want to see and explore real data from real satellites in a way you never could before? That's us! The NASA Viz app for iPad: check us out! http://svs.gsfc.nasa.gov/nasaviz GSFC
@OSIRISRex Greenbelt, Maryland, Mission Concept/Proposal Guy GSFC
@OurSolarSystem Solar System, Milky Way galaxy, A nice place about 28,000 light years from the center of the Milky Way galaxy in the Orion spiral arm. http://solarsystem.nasa.gov JPL
@RWIWChallenge RWIW Challenge, United States, NASA RWIW is a high school level engineering design challenge in which teams are tasked with developing solutions to problems regarding JWST & Robonaut 2. http://www.nasarealworldinworld.org/
@SOFIAtelescope California, Stratospheric Observatory For Infrared Astronomy http://www.sofia.usra.edu ARC/DFRC
@SunEarthDay Sun-Earth Day (NASA), Washington DC NASA Education Outreach Program: Sun-Earth Day http://sunearthday.nasa.gov GSFC
@TriggerMMS Houston, Mascot for the NASA MMS Mission (http://mms.rice.edu). http://mms.rice.edu/tetrahedron

NASA Organizations

Total on this list: 32

Organizations within NASA that may go across the lines of a single project or mission.

Twitter Description Affiliated center
@AmesLabAstro NASA Ames Lab Astro, Moffett Field, Ca http://www.astrochemistry.org/ ARC
@AsteroidWatch Pasadena, California, JPL's Near Earth Object Office coordinates NASA's efforts to detect, track & characterize potentially hazardous asteroids & comets that could approach Earth. http://jpl.nasa.gov/asteroidwatch JPL
@AstrobiologyNAI We've got scientists all over, NASA Astrobiology Institute: we study life in the Universe! http://nai.nasa.gov ARC
@Cool_Cosmos Pasadena, CA, It's the universe from NASA, JPL, Caltech, IPAC, Spitzer, Herschel, Planck, Wise, Kepler, NExScI, IRSA, NED, NStED, TMT and more! http://www.ipac.caltech.edu JPL
@EarthVitalSigns NASAEyesOnTheEarth, Pasadena, California, USA, Being rocket scientists isn't enough...we're climate scientists too! News from NASA on all things climate. http://climate.nasa.gov JPL
@ISS_NatLab ISS National Lab, Johnson Space Center, As the Nation's newest national laboratory, the ISS will strengthen relationships for the advancement of science, technology, engineering, and mathematics. http://www.nasa.gov/mission_pages/station/research/nlab/index.html JSC
@JPL_Technology Pasadena, CA, NASA JPL manages many of NASA's missions that require the development of new technologies. Tweets from JPL's Office of the Chief Technologist. http://scienceandtechnology.jpl.nasa.gov JPL
@KSC_MOCOP Providing live launch-day updates on the fly! http://www.nasa.gov/mission_pages/shuttle/main/index.html
@NASAAcademy NASA Academy, The NASA Academy brings together future leaders of the aerospace industry and exposes them to the inner workings of NASA, academia, and industry. http://www.nasa-academy.org/
@NASAAmesAcademy Moffett Field, CA, The official Twitter account for the NASA Ames Academy for Space Exploration http://academy.arc.nasa.gov/ ARC
@NASAcio NASA Office of the Chief Information Officer, HQ HQ
@NASAedu NASA Education, http://www.nasa.gov/education
@NASAgames NASA Games, The Moon, The home of NASA's Moonbase Alpha and other upcoming games! http://www.nasa.gov/moonbasealpha
@NASATechGateway Hampton, VA, NASA Langley Research Center - Technology Transfer, SBIR/STTR & Partnerships http://technologygateway.nasa.gov LaRC
@NASA_eClips NASA eClips™ are short, relevant educational video segments. These videos inspire and engage students, helping them see real world connections. http://www.nasa.gov/nasaeclips ARC
@NASA_CASI NASA CASI http://www.sti.nasa.gov
@NASA_EO Earth Observatory, Greenbelt, MD, NASA images, stories, and discoveries about climate and the environment. http://earthobservatory.nasa.gov/ GSFC
@nasa_eyes NASA Eyes on the Solar System, Pasadena, CA, Information and updates for NASA's Eyes on the Earth and Eyes on the Solar System in-browser 3D exploration tools. http://solarsystem.nasa.gov/eyes/ JPL
@NASA_GESDISC NASA Goddard Earth Sciences Data and Information Services Center, Greenbelt, MD, NASA Goddard Earth Sciences Data and Information Services Center: source of NASA mission data for atmospheric, hydrologic, and ocean sciences http://disc.sci.gsfc.nasa.gov GSFC
@nasa_ice United States, Exploring Earth's sea ice, land ice, snow and permafrost. http://www.nasa.gov GSFC
@NASA_LSP NASA Launch Services Program, Kennedy Space Center, FL, The Launch Services Program is Earth's Bridge to Space http://lsp.ksc.nasa.gov/ KSC
@NASA_Lunar NASA Lunar Science Institute http://lunarscience.nasa.gov ARC
@NASA_Spinoff NASA, Since 1976, NASA's Spinoff publication has featured over 1,750 NASA-derived technologies that improve your life. http://www.sti.nasa.gov/tto HQ
@NASA_wildfire flying over the western US, The Western States Fire Mission supports incident managers with near real-time fire imagery collected from the AMS-Wildfire sensor on NASA airborne platforms. http://geo.arc.nasa.gov/sge/WRAP/ ARC
@nasacore Ohio, USA, The NASA-sponsored Central Operations of Resources for Educators (CORE) is a world-wide distribution center for NASA's educational multi-media materials. http://www.nasa.gov/education/core GRC
@NASAenvcomm NASA Environmental Management spans sustainability, climate change adaptation, remediation, restoration, EMS, water and energy conservation and compliance. http://www.nasa.gov
@NASAhistory Washington, DC, All things history from your friends at NASA http://history.nasa.gov HQ
@NASAHurricane Greenbelt, Maryland, NASA's Hurricane Web Page is one of the ONLY resources that provides data on ALL tropical cyclones around the world in one place! http://www.nasa.gov/hurricane GSFC
@NASAJPL_Edu JPL Education, Pasadena, CA, Space-related educational activities and resources for teachers and families from NASA's Jet Propulsion Laboratory. http://education.jpl.nasa.gov JPL
@NASAUniverseEdu AstrophysEdu@Goddard, NASA Goddard Space Flight Ctr, We provide NASA education resources about our universe and how we study it. http://bit.ly/AeCVX GSFC
@nightskynetwork NASA NightSkyNetwork, Follow us to keep up with stargazing! We're stargazers, a community of over 350 astronomy clubs in the U.S. that hold free & low-cost stargazing events. http://nightskynetwork.org
@scijinks NASA-JPL, Pasadena, CA, Web: http://scijinks.jpl.nasa.gov/weather/ Bio: Provides an amazing science education opportunity. The site transports visitors to the wild world of weather to learn about predicting global weather patterns JPL
@Spaceward_NASA Spaceward Bound http://quest.nasa.gov/projects/spacewardbound/field.html ARC
@wffeducation Education office for @nasa_wallops GSFC

Open Gov

Twitter Description
@opennasa Washington, DC, open.NASA is a collaborative approach to open, direct, and transparent communication about your space agency. We do #opengov, #opendata, & #oss @NASA. http://open.nasa.gov
@NASAdata data.nasa.gov, http://data.nasa.gov is a continually-growing listing of publicly available NASA datasets. Watch this stream for updates to our catalog! http://data.nasa.gov
@intlspaceapps Space Apps Challenge, The Space Apps Challenge will be held in 2012 that will encourage scientists and concerned citizens from all seven continents – and in space – to create. http://open.nasa.gov/appschallenge

NASA Astronauts

See also this page: CollectSpace - Astronauts you can follow on Twitter
Total on this list: 32

This list and descriptions were taken directly from twitter. The list comes from this official twitter account: http://twitter.com/#!/NASA_Astronauts/following & http://twitter.com/#!/NASA/astronauts/members
Add non-NASA astronauts not to this list, but to the Space Related Twitter Accounts: Astronauts list.

Twitter Description
@Astro_127 Mark Polansky, Astronaut
@AstroAcaba Houston, TX NASA Astronaut; STS-119, Exp. 31/32 http://www.nasa.gov/astronauts
@Astro_Aggie Mike Fossum, Astronaut, Husband, Father, Christian, USAF Col (Ret), Texas A&M, Eagle Scout, Scoutmaster, Grandfather. Look forward to ISS 28 and serving as CDR of ISS 29.
@Astro_Bones Robert L. Satcher, NASA Astronaut
@Astro_Box Gregory H. Johnson, NASA Astronaut
@Astro_Cady Cady Coleman
@Astro_Clay Clayton C. Anderson, U. S. Astronaut
@AstroCoastie Dan Burbank
@Astro_Doug Douglas Hurley
@AstroDude Texas Astronaut and more... http://www.leroychiao.com
@Astro_Ferg Christopher Ferguson
@Astro_Flow Leland Melvin, NASA Astronaut, Mission specialist STS-129
@AstroIronMike Col. Mike Fincke, Colonel, USAF and NASA Astronaut
@Astro_Jeff Jeff Williams
@Astro_Jose Jose Hernandez - Astronaut (Retired) - The opinions on this page do not reflect those of NASA
@AstroKarenN Karen Nyberg
@AstroMarshburn Thomas H. Marshburn - NASA Astronaut; STS-127, Exp 34/35 http://www.jsc.nasa.gov/Bios/htmlbios/marshburn-th.html
@Astro_Mike Mike Massimino, NASA astronaut, mission specialist for STS-125
@Astro_Naoko Naoko Yamazaki, Mission Specialist Astronaut on STS-131. Retired from JAXA in Aug'11. Dreams for space will continue...☆ (Not a NASA/JAXA official site. JAXA公式サイトではありません。) http://www.astro-naoko.org
@Astro_Nicholas Nicholas Patrick, NASA Astronaut, STS-130
@Astro_Nicole Nicole Stott, NASA Astronaut, STS-133, STS-128, STS-129 & ISS Expeditions 20/21. NEEMO 9.
@Astro_Pettit Don Pettit - I am an engineer by schooling, a scientist by profession, and an explorer by heart. I train to fly in space and on occasion, find myself in orbit. http://spaceflight.nasa.gov/station/crew/exp6/spacechronicles.html
@Astro_Rex Rex J. Walheim
@Astro_Ron Ron Garan, NASA Astronaut, NEEMO 9, STS-124, Expedition 27/28
@Astro_Sandy Sandy Magnus
@Astro_Taz Gregory E. Chamitoff, NASA Astronaut
@Astro_Tim Col. Tim Kopra, U.S. Army Astronaut, International Space Station Expedition 20 (STS-127). Ask me what it’s like to be Army Strong from the Space Station at goarmy.com/space.
@Astro_Wheels Douglas H. Wheelock, NASA Astronaut, STS-120, Expedition 24/25
@ShuttleCDRKelly Mark Kelly
@SPOTScott Scott Parazynski - Former astronaut. Drawn to explore high places, via spacecraft, aircraft and even on foot! http://www.parazynski.com
@StationCDRKelly Scott Kelly
@TheRealBuzz Mars, Astronaut, Apollo XI and Gemini 12; Doctorate from MIT in astronautics, Korean War veteran (fighter pilot of 66 missions). photo by Don Camp http://www.buzzaldrin.com
@TomJones_astro Former astronaut; speaker, author, planetary scientist, consultant http://www.AstronautTomJones.com
@ZeroG_MD Dr. Robert L.Satcher

Official, but inactive

All accounts below are inactive and are not included in the count at the top of the page
Total: 37

Move accounts here from any category if it has not posted a tweet for at least 6 months.

@Astro_TJ  TJ Creamer, NASA Astronaut, Exp. 22/23 Flight Engineer, Science Officer
@goddarddmv  Goddard Dust Mitigation Vehicle GSFC
@ICESCAPE2010  ICESCAPE2010
@ICESat  ICESat GSFC
@JSC_SMWG  Houston, TX, JSC Social Media Working Group JSC
@lcross_nasa  LCROSS, companion of LRO launch http://lcross.arc.nasa.gov/ ARC
@Lunabotics  NASA Lunabotics, Kennedy Space Center http://www.nasa.gov/lunabotics KSC
@NASA_Ames_ERC  NASA A.R.C., Moffett Field, CA, The NASA Ames Educator Resource Center helps teachers learn about and use NASA's educational resources. My name is Amber, and it's nice to tweet you. http://erc.arc.nasa.gov
@NASA_Ares  Ares Rocket KSC
@NASA_Ares_I_X  Ares-I-X, first test flight KSC
@NASA_Altair  NASA Altair Lander
@NASA_CASIE  Characterization of Arctic Sea Ice Experiment .:. 2-24 July 2009 ARC
@NASA_Dryden_VC  Palmdale/Edwards, CA, The Visitor's Center at NASA Dryden's Flight Research Center has a satellite location at The AERO Institute in Palmdale DFRC
@NASA_ESPO  NASA_ESPO ARC
@NASA_GSFC_ESC  NASA Goddard's ESC, Greenebelt, MD, NASA Goddard's Exploration and Space Communication provides space communication services to NASA's missions. http://esc.gsfc.nasa.gov GSFC
@NASA_GSFC_200  NASA Goddard Code200, Goddard Space Flight Center http://code200.gsfc.nasa.gov/ GSFC
@NASA_Images  A partnership between NASA & The Internet Archive in San Francisco, CA. Largest collection of NASA related media from a single, searchable site. http://www.nasaimages.org
@NASA_SDO_Edu  SDO for Educators GSFC
@NASA_HSF  U.S. HSF Committee, Washington, DC, The Committee will conduct an independent review of ongoing U.S. human space flight plans and programs, as well as alternatives. http://hsf.nasa.gov HQ
@NASActo  NASA CTO for IT, Washington DC & Silicon Valley, Enterprise Architecture, NASA IT Labs, Open Government http://www.nasa.gov HQ
@nasacolab  NASA CoLab connects communities inside and outside NASA to collaborate. http://colab.arc.nasa.gov ARC
@NASAdust2thrust  NASA ISRU JSC
@NASAETDP  NASA ETDP, United States, The Exploration Technology Development Program (ETDP) develops new technologies to enable NASA to conduct future human exploration missions to the Moon & beyond http://www.nasa.gov/exploration/acd/technology_dev.html HQ
@NASAFermiTelscp  FERMI (formerly GLAST) GSFC
@NASAPolicy  NASA Policy, NASA HQ, This page will update you on hearings and hill activities related to NASA

http://legislative.nasa.gov/ || HQ

@NASAGlory  (Satellite never reached orbit due to rocket fairing issue) NASA's new aerosol, total solar irradiance, and climate obsessed low-earth orbiting satellite. Launches in 2011! http://www.nasa.gov/glory
@NASAInterns  NASA Interns, Washington, DC, NASA Student Ambassadors Virtual Community
@NASATechBriefs  NASA Tech Briefs, Engineering solutions for design and manufacturing. http://techbriefs.com
@NASASpaceGrant  NASA Space Grant HQ
@NASAsmokeNfire  Steve Roy
@nasaspaceplace  NASA-JPL, Pasadena, CA, Website for elementary age kids, parents, & anyone who likes Space/Earth Science & technology topics. There’s interactive games, hands-on projects, & fun facts. http://spaceplace.nasa.gov JPL
@PharmaSat  NASA Ames Research Center, Moffitt Field, CA, The PharmaSat experiment and flight system are designed to measure the influence of microgravity upon yeast resistance to an antifungal agent. http://tia.arc.nasa.gov/pharmasat/ ARC
@PreSat  Demonstrate / Validate Performance of NASA-Ames 2nd Generation Modular Triple CubeSat Nanosatellite Platform http://microsatellitefreeflyer.arc.nasa.gov/presat.html ARC
@PlanetQuest  JPL's Planet Quest - Keep track of the latest exoplanet news! JPL
@Regolith_Chal  Regolith Excavation, CA, Regolith Excavation Challenge: A prize competition to spur new tech for excavating lunar regolith. http://regolith.csewi.org/ ARC
@spacetelescope  Baltimore, MD, Space Telescope Science Institute is the home of the Hubble Space Telescope and the James Webb Space Telescope. http://www.stsci.edu
@SLI_1MILEHIGH  NASA Student Launch, Huntsville, Ala., Rockets away! NASA's Student Launch Projects, April 13-17, 2011 http://www.nasa.gov/offices/education/programs/descriptions/Student_Launch_Initiative.html MSFC
@TDRS_KL  Greenbelt, MD, The Tracking and Data Relay Satellite (TDRS) K/L Project is providing follow-on and replacement spacecraft necessary to maintain and expand the Space Network. http://tdrs.gsfc.nasa.gov GSFC
@TESS_NASA  NASA_TESS
@NASAMPCV  NASA, NASA's next generation exploration spacecraft JSC
@NASAnebula  Ames Research Center, NASA's Cloud Computing Platform http://nebula.nasa.gov ARC
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