NASA's Suni Williams, who spent over 280 days stranded in space during Boeing Starliner's failed test flight, announced her ...

The astronauts evacuated last week from the International Space Station say a portable ultrasound machine came in “super ...

The buzz is building for NASA’s Artemis II mission that will send four astronauts on a 10-day voyage around the moon. The ...

Time in space affects the body, but research has found that it can also quite literally affect the mind, prompting questions ...

NASA astronaut Suni Williams, who famously stayed in space for an extended nine-month visit after problems with an ...

The members of Crew-11 — two American, one Russian and one Japanese — splashed down after one became ill, prompting an early ...

The views of the setting sun are just as spectacular from space as they are on Earth.

Four astronauts returned to Earth early Thursday, after departing the International Space Station about a month earlier than ...

An astronaut in need of medical care is on the way back to Earth. The ailing astronaut departed the International Space Station with three crewmates on Wednesday.

NASA's Suni Williams — one of two astronauts stuck for months at the International Space Station — has retired.

Crew-11 was expected to splash down off the coast of California early Thursday.

Here's how the first crewed lunar flyby in 50 years builds on Artemis 1.