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

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

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 ...

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

In a landmark moment for Earth observation technology, the NASA-ISRO Synthetic Aperture Radar (NISAR) mission has successfully deployed its giant 33-foot radar antenna reflector in orbit. As reported ...

NASA never paid much attention to Venus. The planet don't have the standard characteristics to hold life. But recently, they ...

SpaceX is preparing to launch two missions this week - a NASA space station resupply mission and the mysterious Space Force X-37B space plane.

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

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 ...

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

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