Comet from another star has a composition unlike anything else in our solar system

Hubble telescope spots 'impossible' light from a galaxy that shouldn't have been visible

Scientists uncover why Antarctica became engulfed by ice millions of years before the Arctic

Scientists have revealed new insights into why Antarctica froze over millions of years before the Arctic

Quiet outings linked to more frequent dangerous wildlife encounters

A galaxy confirmed this January formed just 290 million years after the Big Bang, and the part astronomers cannot explain is that it is far too large, far too soon, as if the early universe was building things it was not supposed to be able to build yet.

'Milestone': Scientists claim to build synthetic cell, raising concerns in step toward artificial life

Study suggests life on Earth has around 1.8 billion years left

A new study suggests Earth's habitable period may extend far beyond previous estimates.