NASA astronaut Zena Cardman, wearing an extravehicular mobility unit (EMU) spacesuit, poses for a portrait, evoking a now-iconic photo from 40 years ago.

On June 3, 1965, Ed White became the first American to walk in space when he ventured outside the Gemini capsule into the vacuum of the cosmos. He was among NASA's Astronaut Group 2, an elite ...

The annual influx of Black History Month programming yields an out-of-this-world documentary in “The Space Race,” which recognizes pioneers in integrating the space program.

Astronaut Nicole Stott, who has made it her mission to promote the healing power of art and the need to protect our planet, has inspired a new "Signature Edition" embroidered patch.

Great pizza can taste out of this world, and this was certainly true for a group of astronauts who made their own 'za inside the International Space Station.

Astronaut tweets breathtaking photos from space 18 photos As the station orbited about 220 miles above Earth, Wilmore shot a selfie which shows an upside-down Virts reflected in his visor.

This is the mesmerizing moment astronauts created a floating mass of bubbles in space by popping an Alka-Seltzer tablet into a dyed globule of water. Scientists at the International Space Station ...

The mission put Williams’ total time space walking up to 62 hours and 6 minutes floating in space, overtaking retired NASA astronaut Peggy Whitson’s leading record.

A photograph of an astronaut floating away from a space shuttle untethered has been doing rounds on social media. The photo, taken in February 1984, shows the astronaut in a white space suit ...

It's been a good year for space explorers as these top 10 pictures prove, capturing the beauty of Earth and the universe. With everything from the discovery of the astronaut selfie, to Comet ISON ...

The white tool bag can be seen with binoculars. Just look for the International Space Station in the night sky — the tools should be floating just ahead of the station.

A cosmic flash of spooky red light has been spotted by a NASA astronaut floating high in the Earth's atmosphere. Red sprites happen over thunderstorm clouds, in the area known as the mesosphere ...