Planet K2-18b, an apparent water world 124 light years away, has been seen as a promising location in the search for aliens, ...

But the real truth is that alien life on other planets could be even stranger than floating balloons or amorphous organisms ...

Life may not get blasted off any of the known "super-Earth" worlds as readily as it can from our planet, scientists find. The discovery suggests that any intelligent aliens that develop on such ...

Recent observations suggest that scientists have identified potential microbial fingerprints in the atmospheres of other planets, raising intriguing questions about the possibility of alien life ...

A new paper suggests that BARSOOM may have been alive on the planet, and was killed in the Viking experiments.

To support alien life, a planet doesn’t have to be exactly like Earth, but it does need a few key ingredients. First, it ...

The Science: Europa has been considered as a top contender for alien life for even longer than Enceladus, thanks to its massive under-ice liquid water oceans. It also displays water vapor plumes ...