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.

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

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

NASA confirmed the asteroid’s course towards Earth. It measures about 87 feet wide and travels quickly. The asteroid will ...

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

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 ...

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

Acting NASA Administrator Sean Duffy said Thursday that climate and earth science at the agency will “move aside” as it ...

The Solar Dynamics Observatory saw a lunar transit and an Earth eclipse on July 25 — the first when the moon passed between ...

Sixty years on, the first people to step foot on the moon are still idolized. The names Buzz Aldrin and Neil Armstrong will forever be etched into the history of humanity. But less is known about some ...

"Being able to send something out there would enable us to take a lot more precise data than we currently can." ...