If ancient extraterrestrial explorers ever traipsed through Earth's cosmic neighborhood, it's possible they left behind some ...

There might be alien life on a nearby moon, scientists say - Saturn’s companion Enceladus has long been a particularly promising place to find aliens – and now researchers say that extraterrestrial li ...

Saturn's moon Enceladus could harbour alien life in oceans deep beneath its frozen surface, according to a new study.

Microscopic bits of alien tech on the moon? As scientists searched for intelligent extraterrestrial life — i.e., aliens — they’ve focused on a short list of standard possibilities. In other words, ...

The moon may be wearing a dusting of alien junk, and a group of researchers wants to go looking for it. In a new study that's under peer review for the International Journal of Astrobiology, ...

Most of our experience with the Search for Extraterrestrial Intelligence (SETI) has focused on capturing radio signals that alien species have sent out, whether intentionally or unintentionally. That ...