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🌏A better picture of our planet 🔥The spread of fire 🦴Keeping bones strong ⚛️Atoms in cold temperatures These are j… https://t.co/xQ7oMGOBO9
Retweeted by NASABoom. 💥 2 gamma-ray bursts set the record for highest energy of light we have ever seen from similar events. The m… https://t.co/bOgpMZXdJt

50 years ago, #Apollo12 astronauts Pete Conrad and Alan Bean reached the robotic Surveyor 3 on their 2nd moonwalk.… https://t.co/bEZGpDoYGfSweet, sweet science! Sugars essential to life have been discovered in meteorites for the 1st time, adding to the l… https://t.co/cv13UKzN7sThe @Space_Station has been built piece by piece for over 20 years. #Today marks the 21st anniversary of the laun… https://t.co/doTPOu12Df
Retweeted by NASAWant to hear from the people who will launch, fly and recover the spacecraft that will pave the way for astronauts… https://t.co/XVR3nrPUde
Retweeted by NASALIVE NOW: How do we study black holes if we can’t even see them? 🤔 Join experts on #NASAScience Live as we answe… https://t.co/UTngmOd29iIn order to test technology to detect ripples in space-time, this @ESA mission has recording-setting sensitivity. A… https://t.co/a5cKfAYQQNLIVE NOW: Hear from experts as they talk about the cutting-edge science launching to the @Space_Station on Dec. 4 a… https://t.co/HaAUMuWrZgBy measuring soil moisture from above, @NASAEarth satellites are helping the @USArmy and @usairforce prepare routes… https://t.co/JMLf0u0D0fMorning views on @Space_Station. Although we're only ~250 miles closer to the Moon than you are, we can see it more… https://t.co/herSWsd1FC
Retweeted by NASAAs a child in Puerto Rico, Dionne Hernandez-Lugo watched shuttle launches on TV and a microscope sparked her passio… https://t.co/bQbpMOF6of
Retweeted by NASA

Water-ice clouds form slowly overnight on Mars and are at their thickest just before sunrise. As the day warms, the… https://t.co/vFDtHVTJX1Under the sea 🌊 A robotic explorer developed by @NASAJPL engineers could one day explore ice-covered oceans on moon… https://t.co/ZbB3UszSCXIt’s time to talk science! ⚛️ On Wednesday @NASA will hold a media telecon to connect reporters with researchers se… https://t.co/4P3ghRNjOt
Retweeted by NASA50 years ago #OTD, #Apollo12 landed on the Moon. Astronauts Conrad & Bean were the 3rd and 4th humans to step on th… https://t.co/1WQ1Ug1U1B
Retweeted by NASA.@astro_luca & I trained for several months at @NASA_Johnson to perform these 4 spacewalks. We used a variety of wa… https://t.co/bJOuioGTD1
Retweeted by NASA“Good landing, Pete! Outstanding, man! Beautiful!” 50 years ago, #Apollo12 astronauts Pete Conrad and Alan Bean m… https://t.co/V3OPgEIMudAt 1:55am (EST) #OTD, we marked the #Apollo50th anniversary of the #Apollo12 Moon landing. While the preliminary l… https://t.co/yN2q2BpUPn
Retweeted by NASA🌐 A dynamic world of dunes, plains, craters & terrains is revealed in this first-ever geologic map of Saturn's moon… https://t.co/CtIba5SV92For decades, astronomers have looked for galaxy clusters containing rich nurseries of stars in their central galaxi… https://t.co/N5ywxAlZyT

We are going, together. American companies are joining our #Artemis program to provide science & technology deliver… https://t.co/MXh9BT9l06Today, we’re announcing five new companies who are joining our #Artemis program & will be eligible to bid on delive… https://t.co/fxfyM9OinuJUST IN: @NASA added five American companies to the pool of vendors who will compete to deliver science & technolog… https://t.co/ra61sYlqAJ
Retweeted by NASACelebrating #IEW2019 is all about international teamwork. Together, the #Artemis generation will: ✔️extend 👨‍🚀👩‍🚀p… https://t.co/d64Rn3V890
Retweeted by NASA @PaulPhotographe Thanks for sharing your #SpotTheStation images! You'll see them showcased in our latest #AskNASA e… https://t.co/E3I17O3wDmLIVE: Hear from scientists who have traveled to the ends of the Earth to launch sounding rockets, flown cutting-edg… https://t.co/xOzxI30I0UTo study oxygen particles where Earth's atmosphere leaks into space, scientists traveled to the Arctic and launched… https://t.co/fARpw4AZFsConfirmed: there's water vapor present above the icy surface of Jupiter's moon Europa. A research team led from… https://t.co/hP2DSWiBiqWhat is the @Space_Station? 🛰️ Can I see it from Earth? 🌎 What time zone does it run on? ⏰ Watch the next #AskNASA… https://t.co/vyto8c2nILUnfathomable science & teamwork. The Alpha Magnetic Spectrometer is an instrument seeking to unlock the mystery of… https://t.co/A66p4NXBvr
Retweeted by NASAWith a flight time of ~15 minutes before falling back to Earth, sounding rockets collect data about the atmosphere,… https://t.co/gbeaDj8ddJ

As a winter-like chill engulfed the eastern U.S. this mid-November, our @NASAEarth satellites captured these “cloud… https://t.co/CxwHmBK37m"We hope that it's all metal. That would be great." In @NASAJPL's "On a Mission" podcast, we've heard about threats… https://t.co/PG0UrSVayOIn preparation to search for ancient life on Mars, our #Mars2020 rover scientists visit the Australian Outback to i… https://t.co/UVLNcBhxTNA Kuiper Belt object spotted by @NASAHubble & visited by @NASANewHorizons was officially named this week. With cons… https://t.co/LpcqZALyFYOur @NASASCaN program has a podcast! "The Invisible Network" kicks off season 2 with an #Artemis episode. Hear from… https://t.co/Hpv6Nzshyw

Holiday wishlist: 🚀 Tour NASA's biggest rocket factory 🔥 View @NASA_SLS w/ its 4 engines before flight 🌒 Talk to… https://t.co/FjUrxTrFyeUp, up, down, down - do the Neptune Moon dance! 🕺Partners w/ chemistry AND rhythm, Moons Naiad & Thalassa are caugh… https://t.co/sTNiaH6MVKOur Summer 2020 application deadline is March 8, 2020 - plan ahead & apply early! Start your application at… https://t.co/rq1nDkAwiu
Retweeted by NASAThis week: 👨‍🚀 👨‍🚀 A challenging repair spacewalk outside @Space_Station 🚀 🌔 @VP and @JimBridenstine talk… https://t.co/3hYBjwN6wN🌆 Studying effects of city lights on wildlife 🌀 Imaging major storms before landfall 🔥 Identifying smoke plume loca… https://t.co/dDUgFV7hLC

No matter the similarities & differences, every galaxy is beautiful in its own way. 💜 💫 In this @NASAHubble image,… https://t.co/EdbGSUBYPvThis week, a recap of the first spacewalk to repair a particle physics experiment outside @Space_Station. And a que… https://t.co/LMlvkmY42OWe’re selecting more American companies to become eligible to deliver @NASAMoon science and other payloads to the l… https://t.co/BelInHLU4u
Retweeted by NASANASA astronauts @Astro_Doug & @AstroBehnken sat inside @SpaceX's Mission Control in California to witness the… https://t.co/Dzs4Rz9gPe
Retweeted by NASAAfter 6 hours and 39 minutes, today’s spacewalk officially ended at 1:18pm ET. The dynamic duo, @AstroDrewMorgan an… https://t.co/s3K3nYBF7WToday's spacewalk to start repairs on the Alpha Magnetic Spectrometer is wrapping up and @Astro_Luca takes a ride o… https://t.co/quNS9UErqe
Retweeted by NASA @gustavo_dogui Today's spacewalk includes work to replace a cooling system and fix a coolant leak on the Alpha Magn… https://t.co/y3ZkgcRLEdAs you watch today’s #spacewalk, here’s how to keep track of which astronaut you’re seeing: 🔴 @Astro_Luca – red st… https://t.co/dL8ilRpNfxJust tuning in for today’s spacewalk? This animation shows the work that’s being completed outside of the… https://t.co/4WoSiixbDoToday's spacewalkers are using a tool to cut and retain zip ties that was developed by STEM students. Learn more ab… https://t.co/u0iBJkWEzE
Retweeted by NASA @CalebFielder https://t.co/qU8OvrFmqrCan you spot the spacewalker in this live frame? An hour ahead of schedule on the first #SpacewalkForAMS,… https://t.co/PMU8qmNhmV
Retweeted by NASA @RichardLuong8 Good morning to your students!👋If an astronaut were to become untethered and float away, a jetback w… https://t.co/QBQeq4pwVZ @capitanvzla There is no laundry service in space so Space Station crew members have to make their clothes last! Le… https://t.co/Umag2QFZ2e @vmoisu Your #AskNASA question was answered during today's spacewalk broadcast. Take a look: https://t.co/Xw3i7uJlHh @PaytonRifley Great #AskNASA question! During spacewalks, astronauts use safety tethers — like ropes — to keep them… https://t.co/aAoNV5cKDmThe debris shield that covered Alpha Magnetic Spectrometer floats away towards Earth as @AstroDrewMorgan successful… https://t.co/KEBDtNfqom
Retweeted by NASAHappening now: Veteran spacewalkers @AstroDrewMorgan and @Astro_Luca are working to repair a cosmic ray detector lo… https://t.co/OruhdrAUDnThe view from @Astro_Luca's helmet camera as he works to remove fasteners on the Alpha Magnetic Spectrometer debris… https://t.co/2TiFgRMEq2
Retweeted by NASAFirst task for the #SpacewalkForAMS has started: @astro_luca is installing a handrail to act as handle for the debr… https://t.co/g0foFlwUrP
Retweeted by NASADuring today’s spacewalk to begin repairs to a cosmic ray detector located outside of the @Space_Station,… https://t.co/hgl1VI7FqFToday’s spacewalk is underway! 👨‍🚀👨‍🚀At 6:39am ET, @AstroDrewMorgan and @Astro_Luca set their spacesuits to battery… https://t.co/8BgjMrsnfIOn the International @Space_Station, @AstroDrewMorgan and @astro_luca are in spacesuits and getting ready for the f… https://t.co/wrEK1vhBBM
Retweeted by NASALIVE NOW: Watch @AstroDrewMorgan and @astro_luca venture outside of the @Space_Station for a spacewalk to repair th… https://t.co/oZ0p7jI0ny⏰ Set your alarms to watch a spacewalk! @AstroDrewMorgan and @astro_luca will venture outside @Space_Station to beg… https://t.co/TXzPiZbCwWDuring a visit to @NASAAmes today, @VP Mike Pence talked about the future of human space exploration and our… https://t.co/6grLeMd9KTApollo 12 was an electric ride⚡ On November 14, 1969 the Apollo 12 crew prepared to journey to the moon. It was ra… https://t.co/wjZeJj1vaH
Retweeted by NASA#Apollo12, a mission that expanded techniques to explore the Moon & showed coordination between robotic and human e… https://t.co/4W1TTMw4cw.@NASAAmes is home to the world’s largest flight simulator, the 10-story Vertical Motion Simulator, which will help… https://t.co/ORh5t5Av9g
Retweeted by NASA

Our Apollo astronauts & the roughly 400,000 @NASAPeople who supported the mission accomplished what is arguably the… https://t.co/SEApv6a6iI
Retweeted by NASA“The next man and the first woman on the Moon will be American astronauts,” says @VP Mike Pence during a visit to… https://t.co/E86VVGTCsUAs a part of our #Artemis program, we will return @NASA_ Astronauts to the Moon for long-term exploration. “Not onl… https://t.co/Jbk3cpWm4KLIVE from @NASAAmes: Watch @VP Pence & Administrator @JimBridenstine talk about our #Artemis program and plans to r… https://t.co/Z7Kmz8NRWSOur #Artemis program will return astronauts to the Moon by 2024. 👩‍🚀👨‍🚀 Tune in to NASA TV starting at 3:15pm ET t… https://t.co/DSqX4YTiBh#Apollo12 launched on Nov. 14, 1969, beginning the second mission to land humans on the Moon. 50 years later,… https://t.co/z9D9nzFTZ0
Retweeted by NASAIt was a dark and rainy morning... 50 years ago today, #Apollo12 launched on a mission to land on the Moon & set up… https://t.co/WoKREXQHeo5, 4, 3, 2, 1, 0... Lift-off 50 years ago, #Apollo12 was struck by lightning twice, seconds after launch. A fligh… https://t.co/eU2JF6jub4What’s happening with our plans to land humans on the Moon by 2024?🌑 Hear directly from the top as @VP Mike Pence… https://t.co/u4rqy1jJXL.@astro_luca & I are preparing for a series of 4 spacewalks to repair the Alpha Magnetic Spectrometer, a particle p… https://t.co/NvmQ845o5J
Retweeted by NASAWe’re excited to host @VP Pence & Administrator @JimBridenstine tomorrow for a tour of our world-class research cen… https://t.co/a7nv5OImwY
Retweeted by NASAThis afternoon, @SpaceX completed a series of static fire engine tests for #CrewDragon's launch escape system. Now… https://t.co/t6VhNYKfqf
Retweeted by NASAIt's harvest time on @Space_Station! 🍃 Astronauts have been cultivating fresh mustard greens in the station's Veggi… https://t.co/HtUbCsaSbR

In California, Utah & New Jersey, mosquito control agencies use @NASAEarth data to keep new infestations at bay. It… https://t.co/bPWTc540mG.@NASA_Technology in your life: We developed new pressure vessels because we needed stronger, lighter tanks to carr… https://t.co/e4qFsYdgbGSuspended in time, for a cure. On @Space_Station, we're studying Alzheimer’s and Parkinson’s in a way we cannot in… https://t.co/V6BuoJMrv5
Retweeted by NASACongratulations to @JAXA_en for a very successful investigation and sample collection at asteroid Ryugu! @NASA wish… https://t.co/28r4IU4KJx
Retweeted by NASAProgress toward the launch of #Artemis I — our @NASA_Orion 🛰️ has completed final assembly and systems testing. The… https://t.co/xjgG1JSM53Tomorrow is the 50th anniversary of the launch of #Apollo12! For the long journey, the astronauts needed some suste… https://t.co/hTKB7Xziao
Retweeted by NASAAs our Parker Solar Probe orbits the Sun, its instruments capture data to help solve mysteries of the solar atmosph… https://t.co/Texmo3KWnAUnknown no longer! In a fitting tribute to the farthest flyby ever conducted by spacecraft, Kuiper Belt object… https://t.co/dPC5Z1O1LM
Retweeted by NASAOur #Mars2020 rover will launch next July and land in Mars' Jezero Crater in Feb., 2021. Scientists have discovered… https://t.co/Ysg1xHrgmDHave plans on Dec. 9-10? 📅 We’re inviting social media users to apply to visit our rocket factory in New Orleans,… https://t.co/7mgPRMluaAPeek outside the @Space_Station and experience the first #AllWomanSpacewalk with us. Our hope is to share this priv… https://t.co/2pz7HOY0VM
Retweeted by NASA

What caused the brightest X-ray burst ever seen by our @NASAUniverse NICER telescope? 🤔 A massive thermonuclear fla… https://t.co/QdLk318Cqq'Arrokoth': a Native American term meaning “sky” in the Powhatan/Algonquian language. With consent from Powhatan Tr… https://t.co/W1tkP79ieM @asrivkin @PlanetDr @elakdawalla @megschwamb @hthroop @NASANewHorizons Here is Dr. Phoebe Farris of the Powhatan-Pa… https://t.co/aupRE5n4DoOver 6 years, a chemistry lab inside the belly of @MarsCuriosity has inhaled Martian air & analyzed its composition… https://t.co/HdFJpADODdLIVE: The second briefing on upcoming spacewalks by @AstroDrewMorgan & @astro_luca to repair the Alpha Magnetic Spe… https://t.co/01TNbhKXDD