It’s a real space oddity. Former Pentagon UFO investigator Luis Elizondo claims the US government possesses unreleased ...

Luis Elizondo claims unreleased photographs show giant monoliths on the moon. These intriguing images are expected to be made ...

The best way to find alien technosignatures is to look for ones that have long survived their creators, according to a new ...

Scientists are calling for a lunar quarantine facility where samples from Mars, the Moon, and beyond would be examined before being brought to Earth. They warn that even a tiny alien microorganism ...

Alien civilizations may have left traces. We just may not have been looking in the right place.

A new line of research proposes that the first clear signs of extraterrestrial intelligence may not come from distant stars, ...

Add Yahoo as a preferred source to see more of our stories on Google. Two scientists want NASA to build a quarantine lab for alien germs on the Moon, rather than on Earth. The pair, microbiologist and ...

A Soviet astronomer in the 1960s proposed a scale to classify hypothetical alien civilizations. Here’s why the framework is ...

Scientists have identified new clues that could help astronomers spot one of the most famous hypothetical alien ...

Building material samples from the University of Delaware spent six months mounted outside the International Space Station, ...

The beloved magical-girl anime Sailor Moon is returning to theaters this August, giving fans a rare chance to relive its ...

Researchers have looked at how particular microbes from Earth would fare in conditions like those of Mars, the moon, and the ...