The unbelievable story behind the ‘most terrifying’ image NASA has ever taken of astronaut Bruce McCandless II who did the first-ever untethered spacewalk.

What happens to the astronauts in space? In a candid interview, the NASA astronaut revealed the dangers of spending too much ...

For the first time, the James Webb Space Telescope (JSWT) has revealed bright auroral activity on the planet Neptune.

A corner of the internet appears to believe that Suni Williams returned to Earth with dark hair despite it being gray while in orbit.

"We're all excited to have you back, and we're ready to leverage your experiences and expertise in the Space Force." ...

NASA explains why astronaut Barry "Butch" Wilmore suffered severe muscle loss after 9 months in space, highlighting ...

Long before Butch Wilmore and Suni Williams got stuck on the space station, Apollo 11 astronauts were having their own ...

Sunita "Suni" Williams had an unexpectedly long stay at the International Space Station after her capsule malfunctioned.

OBSERVER Senior Staff Writer - Dr. Bernard Harris, Jr., the first African American to walk in space, reflects on his 30-year ...

My god, it's full of stars. Astronaut and astrophotographer Don Pettit captured this deeply trippy image from the ...

The two American astronauts stranded aboard the International Space Station for nine months may have been stuck there because of the presidential election, one of their fellow spacemen thinks.

The two NASA astronauts who have been stranded on the International Space Station (ISS) since June will be hitching a ride home on a SpaceX craft in just “a few weeks,” according to Elon Musk ...