Interstellar comet 3I/ATLAS is now barreling away from the sun, never to return to the solar system. There's one more chance ...

The Crew-11 spaceflyers — NASA's Zena Cardman and Mike Fincke, Kimiya Yui of Japan and cosmonaut Oleg Platonov — splashed ...

NASA's plans for Mars sample return are effectively cancelled as part of a bill approved by the U.S. Congress, ending efforts ...

Embarking from the Vehicle Assembly Building to Launch Pad 39B at NASA's Kennedy Space Center in Florida, the 11 ...

NASA will roll its Artemis 2 moon rocket out to the launch pad on Saturday (Jan. 17), and you can watch the slow-moving action live.

It feels like every week now we're writing a new article about how 3I/ATLAS is not an alien technology. But it's worth ...

Aliens arriving on Earth in November 2026 followed by World War 3? Baba Vanga's eerie predictions have gone viral online, but how much truth is there behind the claims? We separate myth from fact.

Public fascination with alien visitors has surged again after a cryptic response from the Central Intelligence Agency about ...

Nor is this the first time that America has suffered an erosion of norms about how power is exercised and defeat is accepted.

Guardian Australia’s weekend wrap of essential reads from the past seven days, selected by Imogen Dewey ...

Halloween, Days of Heaven, and Days of Heaven are some of the best movies of 1978, and they're all remembered as true ...

It is unclear whether a [3I/ATLAS] would transmit radio signals … such signals would take tens of thousands of years to cross ...