NASA astronaut Sunita Williams, 59, has been on the ISS for over 150 days. Recent photos show her looking thinner with hollow cheeks.

Though she is smiling and seems to be in good spirits, Williams looks remarkably hollow-cheeked than when she first boarded the orbiting workplace. Sunita Williams and Barry Wilmore have been stuck on ...

Written by the former chief historian of NASA, the book examines the evolution of our cosmic understanding—from early civilizations to the present day ...

Onboard Juno is its famed camera, dubbed "JunoCam." A two megapixel visible light camera, JunoCam is designed "to study the ...

Since NASA's Juno spacecraft entered Jupiter's orbit in July 2016 and began transmitting image data, the world has gotten ...

Today, NASA's Parker Solar Probe will complete its seventh swing past Venus — the spacecraft's final maneuver around the ...

An astronaut’s photo from the International Space Station captures crepuscular rays and cumulonimbus clouds, revealing a ...

"Whether this impact was from a micrometeoroid or a piece of space debris, the collision highlights the need for responsible ...

On what would’ve been the astronomer’s 90th trip around the Sun, here’s a look at his legacy as a scientist, advocate and ...

Over the weekend, the “Genesis” singer cheekily responded to Olivia Rodrigo’s confession that she doesn’t date guys that ...

Hundreds of thousands of aviation fans flocked to NAS Pensacola for the show, and even the most longtime Blues fans will say ...

NASA released photos and video of a Martian moon passing between the planet and the sun. The occurrence is common on Mars, lasting around 30 seconds.