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 ...

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

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

NASA is monitoring a house-sized asteroid that will pass near Earth on August 16 at a speed of approximately 17,717 miles per ...

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

NASA's Jet Propulsion Laboratory says Perseverance's new image is "one of the sharpest panoramas of its mission so far." ...

Three out of seven Earth-sized planets in the TRAPPIST-1 system are likely without an atmosphere, ruling them out as ...

"I never saw anything like it. They round a little; they're coming by the capsule, and they look like little stars. A whole shower of them coming by," Glenn said during the mission. "There are ...

The space rock came as close as within 4.15 million miles from our planet, according to NASA's Jet Propulsion Laboratory.

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