Add Yahoo as a preferred source to see more of our stories on Google. Alien first-contact stories are a classic of science fiction, and they're all the more fascinating because they can feel like ...

When I look at the night sky, I don’t wonder whether alien life is somewhere out there; I think it probably is. Considering the sheer number of stars in the cosmos, and the possibly larger number of ...

Pulverised technology from collapsed alien civilisations may lie scattered across the solar system, including on the Moon, a new study suggests. The likelihood of advanced aliens living at the same ...