How astronauts adjust when back on Earth after being in space
Astronauts face several risks during spaceflight, including exposure to radiation.
International Space Station
2 NASA astronauts return to Earth after an unexpectedly long mission in space
NASA astronauts Suni Williams and Butch Wilmore were on the International Space Station more than nine months, despite launching into space in June for what was expected to be an eight-day mission.
NASA and SpaceX launch astronauts to the ISS
The arrival of the new crew will pave the way for the return of two astronauts who have been "stuck" on the station since June of last year.
The International Space Station adjusts its orbit to avoid space debris
There are at least 19,000 pieces of space debris in Earth's orbit, not including active satellites, that the U.S is monitoring.
NASA will bring stranded astronauts back on SpaceX — not Boeing's Starliner
Boeing's troubled Starliner remains docked at the International Space Station as NASA decides it is too risky to bring the astronauts home on the spacecraft. The two astronauts will return in February.
NASA delays next crew launch to buy time at the space station for troubled Starliner
Starliner's test pilots, Butch Wilmore and Suni Williams, should have returned by mid-June. NASA is weighing its options for returning the two, including a ride home in a rival SpaceX capsule.
Opinion: Think you have a rough travel story? Try 52 days stuck in space
Two astronauts have been hanging out on the International Space Station since last month, waiting for the Boeing capsule that got them there to be repaired to bring them home.
NASA still doesn't know when two astronauts will be able to come home
NASA still is not sure when two astronauts might come home in Boeing's new Starliner spacecraft.
NASA says it accidentally sent out an emergency signal meant for training purposes
A NASA simulation accidentally aired on the space agency's livestream. NASA said all crew members are healthy, safe and preparing for a spacewalk scheduled for Thursday.
From the physics of g-force to weightlessness: How it feels to launch into space
We kickoff our series Space Camp with a look at space launches. What does hurtling into space feel like? What physics are involved? And what's the "junk" in Earth's orbit?