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

Blue Ghost just completed its mission, which lasted a full lunar day — two Earth weeks — on the near side of the moon.

NASA’s James Webb Telescope captured direct images of gas giants in HR 8799, revealing their carbon dioxide-rich atmospheres.

Doctors have raised concerns about the health of NASA astronaut Sunita 'Suni' Williams after photos show the 59-year-old ...

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

NASA astronauts Butch Wilmore and Suni Williams arrived back on Earth on Tuesday after living in space for a longer-than-expected nine months. How much did they get paid?

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 ...

Venus will pass between the Earth and sun on Saturday during what's called an inferior conjunction. But don't plan on seeing ...

Previous studies have also demonstrated potential links between space travel and an increase in oxidative stress, which experts have suggested contributes to aging and, in turn, graying hair. However, ...

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

If Mars becomes a human colony is anyone’s guess. Musk said 2016 that it would take 40 to 100 years to have a self-sustaining civilization on the planet. While Mars is quite barren, dusty, and chilly, ...

Barry 'Butch' Wilmore and Sunita 'Suni' Williams have finally touched back down on Earth and are adjusting after 9 months in ...