Elon Musk’s rocket company relies on federal contracts, but years of losses have most likely let it avoid paying federal ...

Water found on Comet 12P/Pons-Brooks is "virtually indistinguishable" from water found on Earth. A "devil" comet's water is ...

Our anniversary celebration begins with an outstanding collection of stories about times that science itself has made a full ...

When the Artemis 2 astronauts launch to the moon next year, they will be accompanied by one of 25 plush toys just named a ...

A 2012 astronaut photo shows the striking beauty of Japan's Aso Caldera, a "supervolcanic" structure home to more than a ...

Another dazzling display of northern lights could be visible tonight with the prediction of a minor geomagnetic storm, ...

The SpaceX spacecraft company successfully launched two dozen satellites into low-Earth orbit Monday on its latest Falcon 9 ...

Space is part of the great power competition between the U.S. and China, with both countries racing for dominance.

The U.S. wants to build a nuclear reactor on the Moon by 2030, but the first challenge is finding an ideal spot.

A first-of-its-kind satellite recently launched into orbit to monitor Earth’s changing surfaces, detecting movement of the ...

National security officials have said the Kremlin is seeking to develop a space-based weapon that could knock out American ...

NASA is seeking proposals for rovers capable of navigating and conducting missions on simulated Moon and Mars terrain.