Few details were publicly released about the classified SpaceX NROL-69 mission, which lifted off at 1:48 p.m. EDT Monday from Launch Complex 40.

The boost in federal spending for SpaceX will come in part as a result of actions by President Trump and Elon Musk’s allies ...

It's official - space is a war-fighting domain. Who says so? The British, the Americans, Nato and, among many other nations, ...

NASA’s James Webb Telescope captured direct images of gas giants in HR 8799, revealing their carbon dioxide-rich atmospheres.

The goal of enabling extended deep-space exploration is driving NASA, space agencies, and private players to explore nuclear ...

Solar panels are next to useless in the outer solar system, so NASA’s Voyager probes rely on nuclear batteries—technology ...

Earlier this month, sabre-rattling China announced it was set to boost its defence spending by 7.2% after threatening America ...

How do we power missions in the outer reaches of our solar system and beyond? The solution, developed in the '60s, can last ...

Chinese engineers identify a design flaw in NASA's lunar nuclear reactor, suggesting improvements that could boost efficiency ...

A startup company wants to establish mining operations on the moon to extract a rare isotope needed for future quantum ...