Orbital transfer vehicles launch atop rockets, carrying other spacecraft that they deliver to specific, often hard-to-reach, ...

The 55-feet-wide space rock is hurtling through space at a zippy 17,717 miles per hour, according to the space agency.

"The planet gets in the way from the point of view of any one spacecraft, so we had to spread them around the planet to look ...

"Duffy to announce nuclear reactor on the moon" is not a headline I imagined reading before last week. Sure, as a sci-fi ...

Sean Duffy, the acting administrator of NASA for a little more than a month, has vowed to make the United States great in space.

From the ISS, scientists are capturing rare lightning above storms that could impact radio, climate, and safety.

NASA experts explain why a passing asteroid isn't cause for concern, while revealing how often Earth encounters space rocks and preview what's coming in 2029.

The post Retired NASA Satellite Sends Unprecedented Communication To Earth After Almost 60 Years Of Silence first on ...

NASA's Europa Clipper nailed a major radar test during a Mars flyby, proving it’s ready to peer into Europa’s mysterious icy ...

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 ...

Carrying an advanced radar system that will produce a dynamic, three-dimensional view of Earth in unprecedented detail, the ...

The satellite called NISAR — short for NASA-ISRO Synthetic Aperture Radar — will operate from a near-polar-circling orbit 464 ...