Did a flying saucer just land at NASA? It sure looks like it.

Could humans spread Earth life beyond our planet? Astrobiologists explain where extremophiles might survive and why the risks ...

Thus far, our search for extraterrestrial life points toward Clarke’s former point, suggesting that our little blue dot is ...

As one of the most popular holidays in the US, Independence Day is woven into the very fabric of American life and culture. It honors the sacrifices of past heroes and celebrates the spirit of liberty ...

Stacker compiled a collection of 70 images that show how the '70s changed the world. See photos of the decade's defining ...

A three-armed spacecraft is rushing to the rescue of a NASA telescope that’s in danger of crashing back to Earth.

A rush rescue mission to save a NASA space telescope remains grounded, this time because of a last-minute launch problem.

There's an urgent mission to save NASA's Swift Observatory, which is falling back into the Earth's atmosphere and at risk of burning up. Mark Strassmann reports on the rescue operation.

Christopher Nolan's The Odyssey is one of the biggest movies in 2026, and it will conclude a decades-long movie trend.

NASA has launched the LINK spacecraft on a mission to rendezvous with the aging Swift observatory and boost it into a higher ...

A new NASA audit says the agency will need to purchase more astronaut flights to the ISS by 2030 and focuses on issues with ...