Why scientists believe Venus could host alien microbial life.

The former president's lighthearted comments on extraterrestrials made the news in recent days. He wasn't entirely wrong.

The search for life isn’t limited to distant exoplanets—some of the most promising candidates may be right here in our own solar system. Ancient Mars, the vast subsurface oceans of Europa and ...

While idea may violate Occam’s razor, “it remains a speculative but logically open alternative,” says biologist Robert Endres.

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Here’s what you will learn when you read this story: Abiogenesis—the emergence of ...

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 ...

Some of history’s most famous paintings contain hidden secrets, meanings and symbolism. We reveal the painting secrets here.

Wednesday is "Pluto Day," because – yes, of course there is a day for that. And, while celebrating the celestial object that is known as Pluto with an ...

Former President Barack Obama ignited a firestorm when he seemed to admit aliens were “real.” Congress has explored the topic ...

A vast underground tunnel known as a lava tube, formed from ancient volcanic activity, has been discovered Venus.