The astronaut is stepping away from NASA shortly after returning from a troubled test flight that left him aboard the ISS ...

Astronaut Barry "Butch" Wilmore announced his retirement Wednesday after 25 years with NASA and serving as a U.S. Navy test ...

As Greenland's ice retreats, it's fueling tiny ocean organisms. To test why, scientists turned to a computer model from JPL ...

"His lasting legacy of fortitude will continue to impact and inspire the Johnson workforce, future explorers, and the nation for generations." ...

The M4.4 solar flare unleashed a coronal mass ejection (CME) into space — and Earth might just receive a glancing blow.

A deceptive difference having to do with Earth's and Mars's gravity may be the reason why NASA's rovers get stuck in the ...

Oxygen gives us life - but for how long? Well, not forever, according to a new study where NASA scientists believe Earth's ...

On Monday, in one of his first official tasks, NASA Acting Administrator Sean Duffy signed a new "directive" on commercial ...

Flying on the STS-128 mission aboard Space Shuttle Discovery to the International Space Station (ISS), Hernández felt like ...

NASA experts explain why a passing asteroid isn't cause for concern, while revealing how often Earth encounters space rocks ...

NASA astronaut Don Pettit shares a long-exposure photograph that captured the curve of Earth, the glow of the planet's atmosphere, streaks of city lights and flashes of lightning. Hovering above it ...