Official NASA Twitter accounts

From Nasatweetup

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:

• http://www.nasa.gov/connect
• List of all other federal twitter accounts (Expertlabs.org)
• Govtwit.com list of accounts with NASA tag
• Twibes.com NASA tag list
• Old list from pars3c.com - March 2010

Contents 1 Main 2 Official NASA Field Centers 3 Facilities 4 Tweetups, Blogs, Podcasts, & Images 5 Flight Missions 6 Other Missions and Projects 7 NASA Organizations 8 Open Gov 9 NASA Astronauts 10 Official, but inactive

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.
@lori_garver		Deputy Administrator Lori Garver

Official NASA Field Centers

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
@nasadryden		Edwards, CA, The Dryden 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
@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

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
@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
@AstroRobonaut		Robonaut, A humanoid robot designed to work side by side with humans, or go where the risks are too great for people.
@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

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