Between biosignatures and technosignatures lie noosignatures, and some scientists think they could help us find alien life ...

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 ...

Searching for life in alien oceans may be more difficult than scientists previously thought, even when we can sample these extraterrestrial waters directly. A new study focusing on Enceladus, a moon ...

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What if technosignatures and biosignatures are not the only ways intelligent alien life can make itself apparent?

The alien mothership makes contact with Earth in this scene from ‘Close Encounters of the Third Kind.’ Columbia Pictures Amy Adams attempts to communicate with a cephalopod-like, seven-limbed alien ...