Scientists are listening in on sperm whale conversations and studying Earth's strangest microbes to prepare humanity for first contact with extraterrestrial life.

Technosignatures are theoretical signs of technologically advanced alien civilizations, but so far, none of those civilizations have phoned home. Researchers from the Search for ExtraTerrestrial ...

Aliens could already be broadcasting clear signals across the cosmos while humans remain 'utterly blind' to them, according to astronomer Prof. Jon Willis, who argues that our current search ...

Aliens may well exist somewhere in the cosmos, but they are unlikely to be visiting Earth any time soon, according to a new ...