Solar systems mostly keep to themselves. What’s ours is ours and what’s not is not. Stars are simply too far from each ...

The space agency spotted the quick-moving object with the Atlas telescope in Chile earlier this week, and confirmed it was a ...

Save the world and get fabulously wealthy doing so. Someone really should make a movie out of that scenario, before it ...

Astronaut Ron Garan, who spent 178 days in space, has shared the big 'lie' he realised about Earth after seeing it from up ...

U.S. astronaut Nichole "Vapor" Ayers captured a spectacular view of a phenomenon known as a "sprite" blazing to life above an ...

This unprecedented view of the Bullet Cluster provided by the James Webb Space Telescope and the Chandra X-ray Observatory ...

An ichthyosaur preserved beneath a Chilean glacier is helping scientists understand the extinct animals and the world around them as a supercontinent broke up.

A rare rock from Mars known as Meteorite NWA 16788 will be up for auction at Sotheby's on July 16. The meteorite may sell for ...

The European Space Agency said Wednesday that scientists have discovered what might be only the third known interstellar ...

NASA astronaut Nichole Ayers, who is aboard the International Space Station as pilot of SpaceX Dragon’s Crew-10, captured the ...

More than $10 billion in funds are included in Trump’s tax and spending bill for NASA programs previously targeted by the ...

To get a glimpse of the “Swift Planet,” EarthSky suggests waiting for the sun to set before looking west for the planet ...