NASA astronaut Don Pettit is scheduled to return to Earth from the International Space Station, completing his 4th mission to ...

NASA astronaut Don Pettit has just shared a beautiful shot of the Grand Canyon captured from the space station during his recent stay there.

As the International Space Station whizzed over Mexico and the United States — before floodwaters catastrophically rose in ...

NASA astronaut Nichole Ayers photographed a rare atmospheric phenomenon over the US and Mexico known as a "sprite" that's ...

From a Mars rover selfie to an astronaut's view of the flower moon, these space images will give you a new perspective on our ...

Was it a cosmic jellyfish, a fleeting light trick, or something more outlandish? When NASA astronaut Nichole Ayers took a ...

Tissue samples sent to the International Space Station reveal what can happen to astronauts on long-term missions.

In January 1989, Massachusetts state trooper Andrew Palombo heard a strange complaint at Logan airport. A worker said a NASA ...

The 47% budget cut would obliterate NASA's science program, experts say.

Not much can surprise someone who partook in four shuttle missions and three space walks during a 36-year career with NASA.

Buried in the sweeping legislation is an $85 million provision to move NASA's most-flown spacecraft from the national ...

The U.S. Senate Committee on Commerce, Science, and Transportation confirmed that the 42-year-old tech entrepreneur and commercial astronaut as the new administrator for America’s space agency.