NASA Artemis @artemis.extwitter.link · 02/10/2026Earlier today, experts discussed the RS-25 engine and its role in Artemis missions during a webinar tailored specifically for the blind and low-vision community. The recording of that webinar is available here: t.co/GMy9K7xJ7f 🔗 youtu.be/sG1RC_9_MAo?si=4Bt... 000
NASA Artemis @artemis.extwitter.link · 02/10/2026Can you hear me now? As @NASA prepares for a long-term human presence on the Moon, reliable communications systems will be critical. Our 2027 Human Lander Challenge invites college teams to develop innovative lunar communications solutions. Learn more: t.co/35EmaMibJq 🔗 go.nasa.gov/4yKHakR 000
NASA Artemis @artemis.extwitter.link · 30/09/2026We've got your nose(cones)! NASA’s twin SLS boosters for Artemis III are now fully stacked, with nose cones integrated inside the Vehicle Assembly Building at @NASAKennedy. 081
NASA Artemis @artemis.extwitter.link · 25/09/2026There’s a full Moon rising. The Harvest Moon is the full Moon that occurs closest to the fall equinox. This year, it's on Saturday, Sept. 26. As the Harvest Moon rises in the east shortly after sunset, Saturn will appear nearby. Take a moment to look up and enjoy the view. 083
NASA Artemis @artemis.extwitter.link · 21/09/2026Piece by piece! The left forward segment is the latest piece to be stacked for the Artemis III boosters, leaving just one more to go before all 10 are together. The twin SLS solid rocket boosters provide more than 75% of the thrust at liftoff—talk about a powerful pair! 💥 021
NASA Artemis @artemis.extwitter.link · 17/09/2026What a Moon. 🌓 On August 27-28, a lunar eclipse was seen across much of North and South America, as well as parts of Europe and Africa. If you're hungry for more lunar observations, International Observe the Moon Night is coming up on Saturday, Sept. 19! Join from anywher... 🔗 go.nasa.gov/3T15WgR 031
NASA Artemis @artemis.extwitter.link · 12/09/2026#OTD in 1962, President John F. Kennedy helped set the nation on a course for the Moon. That spirit of exploration lives on. Through Artemis, we will return to the lunar surface, this time to explore a place no human has ever been before: the lunar South Pole region. The ... 🔗 go.nasa.gov/45ZrLRy 000
NASA Artemis @artemis.extwitter.link · 10/09/2026Cementing their names in history. The Artemis III crew is leaving their mark — literally. The astronauts recently signed their names on the hardware that will be inside their Orion spacecraft during their low Earth orbit mission, launching in 2027. 042
NASA Artemis @artemis.extwitter.link · 04/09/2026NASA will host a virtual webinar about Artemis for the blind and low-vision community at 2pm ET on Friday, Oct. 2. The webinar will cover the RS-25 engine, the Artemis missions, and accessibility in space and science. Register by Friday, Sept. 25: t.co/ejDXAWURET 🔗 go.nasa.gov/4gNiMHh 010
NASA Artemis @artemis.extwitter.link · 04/09/2026The boosters for the Artemis III mission are getting stacked! Technicians are stacking the twin solid rocket boosters for the Space Launch System rocket at @NASAKennedy. The boosters will provide more than 75% of the rocket’s total thrust at launch — scheduled for 2027. 000
NASA Artemis @artemis.extwitter.link · 31/08/2026@NASAKennedy Core Stage V: 🚀The barrel of the engine section was loaded into the Vertical Assembly Center and team members installed a ring that will serve as the attachment point for the liquid hydrogen tank later in the production process. 010
NASA Artemis @artemis.extwitter.link · 31/08/2026Core Stage IV: 🚀Hydrostatic proof testing of the liquid oxygen tank is complete. 🚀Hydrostatic proof testing of the liquid hydrogen tank is complete. 🚀The boat tail is on its way to @NASAKennedy Space Center (pictured above.) 100
NASA Artemis @artemis.extwitter.link · 31/08/2026While NASA’s Artemis III mission moves forward, work on Artemis IV and V is already underway! 🚀 At NASA's Michoud Assembly Facility in New Orleans, Louisiana, teams are making steady progress on the core stages for the SLS rockets. Here’s a look at some recent moves and tests: 110
NASA Artemis @artemis.extwitter.link · 28/08/2026In early April 2026, the Artemis II crew became the first to travel beyond the Moon in more than 50 years and traveled farther in space than humans have ever before. For their achievements, each was awarded with the Congressional Space Medal of Honor today. Congratulations! 050
NASA Artemis @artemis.extwitter.link · 27/08/2026Artemis III progress continues with installation of the RS-25 engines and ongoing integration of the twin solid rocket booster segments for SLS, continued hardware installation and testing on the recently powered-on Orion spacecraft, and the Artemis III crew’s intensive tra... 🔗 go.nasa.gov/46q8tUJ 041
NASA Artemis @artemis.extwitter.link · 27/08/2026Look up tonight. The Moon will pass through Earth's shadow during a deep partial lunar eclipse visible from much of North and South America and parts of Europe and Africa. As the eclipse deepens, the Moon will appear tinged with shades of red and copper. 021
NASA Artemis @artemis.extwitter.link · 21/08/2026Start your engines. The Human Exploration Rover Challenge is open for submissions! Students can design and build rovers to compete against each other on an obstacle course in April 2027. Submit your proposals by Sept. 17: t.co/XAlnNfEywu 🔗 www.nasa.gov/learning-resou... 010
NASA Artemis @artemis.extwitter.link · 19/08/2026POV: Your office has the best view. NASA's Artemis missions are taking humanity farther than ever before. NASA's photographers work hard to take you all along for the ride. Happy #WorldPhotographyDay! 000
NASA Artemis @artemis.extwitter.link · 17/08/2026As NASA prepares to establish the @NASAMoonBase, surface mobility will be key to move crew around the lunar surface. Recently, the top five teams from the Rock and Roll with NASA challenge tested out their wheel designs at @NASAJohnson’s rock yard. t.co/PVfeTu6Yv0 🔗 go.nasa.gov/4qmCG00 000
NASA Artemis @artemis.extwitter.link · 14/08/2026Two more booster segments for the Artemis III rocket have been stacked at @NASAKennedy. Four out of 10 motor segments are now stacked! The Artemis III mission will launch in 2027 to test rendezvous and docking capabilities between Orion and commercial lunar landers. 010
NASA Artemis @artemis.extwitter.link · 13/08/2026Wrenches down. Engineers have completed hardware development on NASA’s Lunar Environment Monitoring Station, which will monitor moonquakes and meteorite impacts to prepare astronauts for hazards when they are living and working on the surface of the Moon. 000
NASA Artemis @artemis.extwitter.link · 11/08/2026Iceland: where Earth joy and Moon joy collide 🌎🤝🌕 Astronauts and mission support teams recently trained in Iceland’s volcanic terrain, one of the best Earth analogs for the Moon. From geology observations to sampling and navigation, they built skills for future Artemis missions. 010
NASA Artemis @artemis.extwitter.link · 05/08/2026Artemis III is taking shape 🚀 From the Orion spacecraft coming together to key SLS (Space Launch System) hardware reaching important milestones, the past month has brought major progress across the board for the next Artemis mission. Read more: t.co/lMjxMzGImy 🔗 go.nasa.gov/4xqqaPJ 010
NASA Artemis @artemis.extwitter.link · 05/08/2026Engineers at @NASAAmes have been working with @SpaceX on a test series to better understand the extreme aerodynamic forces the Super Heavy Version 3 rocket booster can experience during re-entry as we prepare for Artemis III. Read more: t.co/uDSK6135xn 🔗 go.nasa.gov/4yUqjMR 000
NASA Artemis @artemis.extwitter.link · 03/08/2026Delivered! 📦 NASA delivered a mini navigation receiver to Intuitive Machines for integration onto their upcoming Altus-1 lunar relay. These relays will enable communication with missions exploring the lunar South Pole and far side of the Moon. Learn more: 🔗 go.nasa.gov/3TxlPvn 000
NASA Artemis @artemis.extwitter.link · 30/07/2026It’s National Intern Day — learn about one of our interns who is bringing our Artemis missions into sharper focus. As an intern at @NASAJohnson, Alex Gregor analyzes and calibrates cameras for the optical navigation system used on Orion and other spacecraft. 010
NASA Artemis @artemis.extwitter.link · 29/07/2026Tonight, take a moment to look up and enjoy one of nature's timeless sights: a full Moon. Beautiful, familiar, and endlessly inspiring, the Moon never loses its ability to fill us with wonder. 0123
NASA Artemis @artemis.extwitter.link · 22/07/2026Roadtrip complete ✅ After departing @NASAStennis, the fourth and final RS-25 engine for @NASA's SLS rocket has arrived in Florida. Now reunited with the other Artemis III engines, the powerful quartet is almost ready for installation at @NASAKennedy. 041
NASA Artemis @artemis.extwitter.link · 20/07/2026🌕 Happy International Moon Day! On this day in 1969, Neil Armstrong took humanity's first steps on the Moon. Today, through the Artemis program, we're building on that legacy. Together, we're shaping the future of deep space exploration, one mission at a time. 052
NASA Artemis @artemis.extwitter.link · 17/07/2026Exploration Ground Systems teams in the Rotation, Processing, and Surge Facility at @NASAKennedy are preparing the SLS (Space Launch System) booster segments for stacking! The right center forward segment is one of 10 motor segments that will make up the 177-foot... 🔗 x.com/NASAArtemis/status/20... 040
NASA Artemis @artemis.extwitter.link · 16/07/2026Get ready for a front row seat to Artemis III. NASA has selected @SpaceX to provide laser communications capabilities from the Orion spacecraft for the mission. They will deliver high-def imagery as astronauts test rendezvous & docking operations between Orion and commerci... 🔗 go.nasa.gov/4pJGMzn 030
NASA Artemis @artemis.extwitter.link · 16/07/2026Before Artemis astronauts land on the Moon, NASA is conducting the Artemis III demonstration mission in low Earth orbit to practice operations between commercial human landing system test articles and Orion. Learn more about these landers here >> t.co/j1WPaBQ70f 🔗 go.nasa.gov/4bG9yuz 000
NASA Artemis @artemis.extwitter.link · 15/07/2026Just a regular ol' rocket engine! The third of four RS-25 rocket engines have arrived to @NASAKennedy to be integrated into the Artemis III rocket. Space Launch System uses four RS-25 engines to propel the Orion spacecraft, providing over two million pounds of thrust at liftoff. 000
NASA Artemis @artemis.extwitter.link · 13/07/2026The pieces for Artemis III are coming together at @NASAKennedy. The twin solid rocket boosters? They’re getting stacked. The launch team? They’re simulating the countdown. The heat shield? It’s now attached to the Orion spacecraft. Full steam ahead for Artemis III. 000
NASA Artemis @artemis.extwitter.link · 01/07/2026Ready for even more Moon joy? Try International Observe the Moon Night 🌓 This Sept. 19, you’re invited to celebrate our nearest neighbor in space with lunar observers and curious people all over the world. Register: t.co/nyhsbPRlln 🔗 go.nasa.gov/ObserveTheMoon 000
NASA Artemis @artemis.extwitter.link · 29/06/2026Look up tonight! The Strawberry Moon reaches peak fullness at 7:56pm ET (2356 UTC). Despite its name, the Moon won't actually look pink or red! It's called the Strawberry Moon because many Native American tribes used this full moon to mark the strawberry harvest season. 011
NASA Artemis @artemis.extwitter.link · 26/06/2026Artemis III is coming together, piece by piece. The second of four RS-25 rocket engines was recently offloaded at @NASAKennedy. These rocket engines will power the Space Launch System rocket during the launch of Artemis III, propelling the Orion spacecraft into Earth orbit. 030
NASA Artemis @artemis.extwitter.link · 21/06/2026Memories inside Orion! The Artemis II mission ended over two months ago, but we’re still over the Moon. Please enjoy these previously unreleased images from the Artemis II mission. 060
NASA Artemis @artemis.extwitter.link · 18/06/2026Did you send your name with Artemis? Here's your chance to send your name a million miles away from Earth aboard the Roman Space Telescope, currently slated to launch on Aug. 30. 🔗 twitter.com/i/status/206763... 121
NASA Artemis @artemis.extwitter.link · 11/06/2026Big week for Artemis III 🚀 Just before NASA introduced the Artemis III crew, the SLS solid rocket booster segments arrived in Florida after a six-day rail journey from Utah. Later this year, teams will begin stacking the boosters that create 75% of the thrust needed at launch. 020
NASA Artemis @artemis.extwitter.link · 10/06/2026Behold: new and previously unseen imagery from our Artemis II mission! These images were captured on April 6, 2026, when the four astronauts aboard the Orion spacecraft conducted the lunar flyby portion of their ten-day journey. 030
NASA Artemis @artemis.extwitter.link · 02/06/2026One week to go! 🚀 @NASA will announce the Artemis III crew on June 9 at 11am ET (1500 UTC). Get ready to meet the four astronauts who will help advance the technologies needed to return humans to the Moon. More: t.co/AbNqKsLcvh 🔗 go.nasa.gov/4wV6Muy 1293
NASA Artemis @artemis.extwitter.link · 22/05/2026Want to fly a CubeSat aboard a future Artemis mission? The Space Launch System rocket provides an opportunity to deploy science and technology investigations into space. Interested organizations should respond to NASA's request for information by June 1: t.co/7w4daZQbAC 🔗 go.nasa.gov/4a27H2m 000
NASA Artemis @artemis.extwitter.link · 14/05/2026NASA is seeking industry collaboration for the Mars Telecommunications Network. Reliable, high-bandwidth connectivity will enable future Red Planet explorers to send science data, imagery, and critical mission information to Earth. Learn more: t.co/MM4CfV8a9Q 🔗 go.nasa.gov/3R17eXU 020
NASA Artemis @artemis.extwitter.link · 14/05/2026NASA is preparing to dock with commercial landers in Earth orbit with Artemis III in 2027 and send astronauts to the Moon with Artemis IV in 2028. Check out the full-scale prototype of @BlueOrigin’s Blue Moon Mark 2, now at @NASA_Johnson. t.co/zo3rsbewsJ 🔗 go.nasa.gov/4txPtN6 020
NASA Artemis @artemis.extwitter.link · 08/05/2026Life inside Orion! The Moon joy was (and continues to be!) contagious as the Artemis II mission flew around the Moon and broke the record for farthest distance traveled from Earth. 030
NASA Artemis @artemis.extwitter.link · 06/05/2026During the Artemis II mission, astronauts had a fun time playing around with water in the weightlessness of space. Artemis II was @CSA_ASC astronaut @Astro_Jeremy's first spaceflight — so his crewmates taught him a lot about the physics of water in space. 141
NASA Artemis @artemis.extwitter.link · 05/05/2026After carrying the Artemis II crew 694,481 miles around the Moon and back, Orion is home at @NASAKennedy! Inside the Multi-Payload Processing Facility, teams will now inspect the spacecraft, retrieve post flight data, and remove excess fuel and coolant. 030
NASA Artemis @artemis.extwitter.link · 04/05/2026Welcome to Artemis, Ireland 🇮🇪 Ireland has become the 66th nation to commit to the peaceful and safe exploration of deep space. Thanks for joining us! t.co/8l6GyODSRO 🔗 go.nasa.gov/4tffoJC 040
NASA Artemis @artemis.extwitter.link · 01/05/2026Morocco is the 64th country to sign the Artemis Accords! By signing the accords, Morocco joins other signatories that have committed to peaceful, transparent, and responsible space exploration for the benefit of all. 020