NASA astronauts Sunita Williams and Butch Wilmore will be in rehab for 45 days. It is tailored to the specific needs of the ...

What is happening to NASA astronaut Sunita Williams? NASA released photos of Sunita Williams, 59, sparking concern over her ...

The shadow of the Blue Ghost spacecraft after it landed on the moon, with Earth in the distance. Blue Ghost just completed its mission, which lasted a full lunar day — two Earth weeks — on the near ...

Barry 'Butch' Wilmore and Sunita 'Suni' Williams were in space for nine months after their eight-day mission got extended ...

What exactly happens to the body in space and what are the risks? In space, astronauts are exposed to varied and increased ...

The vernal equinox arrives on Thursday, marking the start of the spring season for the Northern Hemisphere and the fall in ...

When US astronauts Barry “Butch” Wilmore and Sunita Williams touched back down to Earth after their prolonged nine-month stint in outer space, captivated viewers were quick to note Williams’ grey hair ...

The rings, believed to be made up of rocky and icy chunks that could be as large as a house, help separate Saturn from other planets in our solar system. They’re also about to perform a vanishing ...

It’s rare but some solar eclipses cause stunning Instagram-worthy visual effects such as a devil’s horns, a smile or diamond ring sparkling in the sky ...

An ancient impact structure in remote northern Australia was recently spotted by one of NASA's Earth-observing satellite ...

The physical toll of extended time in space can be seen clearly in “before and after” photos of astronauts. These ...

Dr. Bernard Harris, Jr., the first African American to walk in space, reflects on his 30-year legacy and looks ahead to his ...