A U.K.-led mission aims to determine if microbial life exists in Venus’s clouds by detecting phosphine and ammonia.

"Our work supports both the scientific quest to answer the question 'Are we alone?' and practical efforts to manage the ...

If you're hoping that we can avoid the attention of alien civilizations by lying low, it's a bit late now. A new study ...

The first experience that an alien civilization might have of us may not be telecommunications – no ETs watching early The ...

A new study reveals that a common human technology may be quietly broadcasting our presence to alien civilizations—without us even realizing it.