The Space Shuttle Challenger was destroyed just 73 seconds into its flight 40 years ago today, killing all seven crew on ...

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

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

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

NASA Artemis 2 moon mission remains on track as crew members enter quarantine in Texas to avoid exposure to illness. SLS ...

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

A NASA astronaut who was stuck in space for nine months because of problems with her spacecraft has retired after 27 years of service, the space agency said Tuesday. During her career, Williams logged ...

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

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

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

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 ...