ICYMI: A reminder of our @NASAArtemis pledge to return to the Moon now sits in the Oval Office. Learn more about the lunar sample on loan to the @WhiteHouse: https://t.co/4mUhUR46qJ https://t.co/1czY8HyaF9

When @NASAPersevere touches down on the Red Planet in 28 days, so will an experimental helicopter attempting the first controlled flight on another planet! 

 #CountdownToMars & check out 6 things to know about this new @NASA_Technology named Ingenuity: https://t.co/fml9S8s840 https://t.co/wqqL8l4iaJ

RT @NASAArtemis: The Green Run hot fire test sought to acquire test data to support 23 verification objectives, which are used to certify the @NASA_SLS rocket’s core stage design. 

Preliminary assessment indicates that acquired data met the goals for several objectives. https://t.co/4vVhrqbBzR https://t.co/QikCtUYbEU

RT @NASASun: #ParkerSolarProbe has sent a good status signal after its 7th solar flyby this weekend!  The geometry of this orbit gave scientists the chance to make coordinated observations of the Sun & its effects with other spacecraft and Earth-based observatories. https://t.co/u2PPEsrlRw https://t.co/k4FGOredlY

RT @JimBridenstine: It has been my great honor to serve as your @NASA Administrator. I will miss the amazing NASA family and will forever be grateful for my time at this incredible agency. Ad astra. https://t.co/Zba4MTawPV

In coordination with @csa_asc, our new @NASAPrize, the Deep Space Food Challenge, offers up to a $500K prize purse for ideas on how to provide astronauts healthy, tasty food for longer missions to Mars and beyond.

 Here's how you can compete: https://t.co/ZB2YArVdeX https://t.co/jU2c4gHOFM

LIVE: Get the latest on our @NASA_SLS rocket for #Artemis missions. Administrator @JimBridenstine, human spaceflight lead @KathyLueders, and experts from NASA, @BoeingSpace, and @AerojetRdyne discuss the Jan. 16 hot fire test of the rocket's core stage: https://t.co/mzKW5uV4hS https://t.co/xbAjh4QjAC

Tune in at 5:30pm ET for a news update on last Saturday's hot fire of the @NASA_SLS core stage. Administrator @JimBridenstine, human spaceflight lead @KathyLueders, and experts from NASA, @BoeingSpace and @AerojetRdyne will discuss the test: https://t.co/lpqBDy8XmV https://t.co/Cx7MMQwR7b

Astronauts @AstroVicGlover and @Astro_illini will conduct two spacewalks for @Space_Station upgrades on Jan. 27 and Feb. 1, and we're broadcasting them live.

Join NASA experts for a spacewalk preview on Jan. 22 at 3pm ET. Have questions? Use #AskNASA: https://t.co/h9XJEJQN7x https://t.co/yGRH05fxaA

RT @KathyLueders: NASA inspections show core stage and engines for @NASA_SLS in excellent shape. Data show test parameters used for ground test but not for #Artemis flight led to computer shutdown of Green Run hot fire test. For more: https://t.co/yWEUubshoc https://t.co/W3mToL6dv6

RT @NASAaero: Hitching a ride on @NASAPersevere, the Mars Helicopter, Ingenuity, is a technology demonstration to test powered flight on another world for the first time. Learn more at https://t.co/mK9mCsVWpa #CountdownToMars https://t.co/fyIPgvNlUR

RT @Astro_Jessica: On #MLKDay 1 year ago, @Astro_Christina & I completed our 3rd spacewalk together @Space_Station. We took a moment to commemorate Martin Luther King, Jr. and his astute words, “We may have all come on different ships, but we’re in the same boat now”.  Sage advice, then, and now. https://t.co/CBuohmNaO3

RT @NASAEarth: Martin Luther King Jr. came of age in one of the fastest-growing cities in the United States, #Atlanta. #MLKDay https://t.co/uxkGrH6NOW https://t.co/CSNvI5YpFD

"Darkness cannot drive out darkness, only light can do that. Hate cannot drive out hate, only love can do that." — Dr. Martin Luther King Jr.

Today we honor his legacy with this stunning image of Atlanta, #MLK's birthplace, alight amidst the dark of night. https://t.co/ryrviVnBX5

RT @NASAKennedy: #ICYMI: Over the weekend, @NASA_Orion was transported to its next location, the Multi-Payload Processing Facility.

Here, it'll be moved into a service stand that provides 360-degree access, allowing engineers & technicians to fuel & service the spacecraft https://t.co/XGOLucRlLF https://t.co/STYVv4iboF

RT @NASAInterns: #CountdownToMars with us!  We are now one month away from @NASAPersevere landing on February 18. Join us on this adventure with @TheSpaceGal: https://t.co/iuITBbRgM2 https://t.co/SIXwmgMXWx

RT @JimBridenstine: Green Run @NASA_SLS hot fire, T-0 time at 5:27 pm ET, lasting 67.2 sec. Engine ignition at 6 sec. prior to T-0, in sequence about 120 milliseconds apart. Core stage & engines in good shape. More to come this week on Artemis blog.

 10.9 million names from around the WORLD are on their way to Mars right now aboard our @NASAPersevere rover. 

If you didn’t secure your seat on this flight, don’t worry! You can grab your ticket for the next mission, here: https://t.co/OfhhPmZNhD

#CountdownToMars https://t.co/IA4Narpctn

RT @NASA_LSP: LauncherOne has been released from Cosmic Girl and its NewtonThree main stage engine has ignited. The 10 CubeSats of ELaNa 20 are on their way to space! 🛰️ https://t.co/eROe3B4ECA

RT @Dr_ThomasZ: A NASA small satellite mission designed to study how small particles collide and aggregate in microgravity is scheduled to launch today on @Virgin_Orbit’s LauncherOne as part of NASA’s Educational Launch of Nanosatellites (ELaNa) program: https://t.co/9OzREkSQZW https://t.co/RxiUde1ctF