The European Space Agency (ESA) is exploring the idea of treating muscle loss in astronauts with brief electrical impulses.
The International Space Station is a $100 billion research outpost in low-Earth orbit. It was built by 15 different countries and overseen by 5 space agencies, among them NASA, Russia's Roscosmos agency, the European Space Agency, the Canadian Space Agency and the Japan Aerospace Exploration Agency. Construction began in 1998 and rotating astronaut crews have lived on the ISS continuously since 2000. Today, the ISS is the largest human-built structure in space. See the latest news, photos and videos from ISS missions here.
The SpaceX Crew-6 astronauts Stephen Bowen, Woody Hoburg, Sultan AlNeyadi and Andrey Fedyaev are back on Earth, having each completed their first long-duration spaceflight on the ISS.
A SpaceX Dragon capsule carrying four Crew-6 astronauts is headed back to Earth and you can watch its splashdown live online early Monday (Sept. 4).
Read the latest news about SpaceX's Crew-6 and Crew-7 missions to the International Space Station for NASA.
SpaceX and NASA say the Crew Dragon capsule carrying four Crew-6 astronauts will now depart the International Space Station no earlier than Sept. 3, a 24-hour delay.
SpaceX's Crew-6 astronauts bade farewell from orbit in a livestreamed event on Aug. 31. They will undock from the ISS no sooner than Sept. 2, pending the effects of Hurricane Idalia.
Hurricane Idalia made landfall in Florida on Wednesday (Aug. 30) in view of both satellites and astronauts in space.
The Ax-2 astronaut got guidance from commander Peggy Whitson, previously a record-breaking astronaut with NASA.
A SpaceX Dragon capsule docked at the International Space Station Sunday (Aug. 27) with a new astronaut crew to begin a half-year mission.
A new record may have just been set for the fastest-moving sloth in the world. And not just any sloth: a three-toed sloth named "Sasha" that served as the "zero-g indicator" for SpaceX's Crew-7.
SpaceX launched a diverse international crew of astronauts toward the ISS on the Crew-7 mission for NASA early this morning (Aug. 26).
NASA's Jasmin Moghbeli will be the second Iranian-American in space, and joins three international astronauts on the SpaceX Crew-7 mission launching from Florida on Aug. 26.
SpaceX's Crew-7 mission plans to launch four astronauts to the International Space Station on Aug. 26, and you can watch the broadcast live for free.
SpaceX and NASA have scrubbed the planned Aug. 25 launch of the Crew-7 astronaut mission to the ISS. Liftoff is now targeted for Aug. 26 at 3:27 a.m. EDT (0727 GMT).
SpaceX's Crew-6 astronauts spoke with journalists Aug. 23 ahead of their coming return to Earth and also discussed the expected Aug. 25 launch of the Crew-7 mission.
A robotic Russian Progress cargo spacecraft arrived at the International Space Station on Thursday night (Aug. 24), delivering nearly 3 tons of supplies to the outpost.
The International Space Station fired its engines for 21 seconds to move out of the way of space debris on Aug. 24, NASA officials said.
News of India's historic moon landing today (Aug. 23) reached the astronauts on board the International Space Station, many of whose partner nations are also shooting for the moon.
More than a dozen International Space Station astronauts tracked their bone marrow levels. A new study shows how the body tries to fight back against floating for months on end.