SpaceX and NASA, under pressure to get a pair of Boeing Starliner astronauts home sooner than later, announced Tuesday they have shifted plans for the next mission to the International Space Station.

NASA and SpaceX are accelerating plans to return astronauts Sunita Williams and Butch Wilmore to Earth, targeting mid-March.

Timeline, totals, travel impacts ...

“We [will be able to] move quickly and map out very large areas of the sky,” adds Josh Schlieder, the telescope’s wide-field ...

A new study suggests that the explosive deaths of the universe's earliest stars created surprising quantities of water that ...

Investigators used the evidence to piece together a murder timeline in the case against Zachary Hughes, accused of killing ...

Explore the universe with news on fascinating discoveries, scientific advancements and more. In a Friday afternoon email to NASA staff, the agency’s acting chief asked employees to embrace the p ...

The four satellites of NASA's Magnetospheric Multiscale mission recently measured a burst of chorus waves coming from a spot about 102,526 miles (165,000 kilometers) away, far out in the long ...

Unexpected epochs of stillness that punctuate the cosmic timeline could offer a natural explanation for dark matter and many ...

Like peanut butter and existential crises, Kanye West and Twitter go hand-in-hand - a juggernaut pair that entertains the internet even as it boggles the minds.

A Mars image shows a strange square formation. Some think it's artificial, but experts suggest natural causes.