The question of whether humanity is alone in the universe has fascinated scientists for generations, but few have pursued an answer as publicly or as controversially as Harvard astrophysicist Avi Loeb ...

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

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 ...

To travel between solar systems, a spacecraft would need extremely sophisticated – if not impossible – technology.

A team of researchers argues that the Moon could have been collecting microscopic fragments of alien technology for billions ...

The next major discovery in the search for alien intelligence may come from studying Moon dust under a microscope rather than listening for signals with a radio telescope. A new study proposes ...