There were no 'technosignatures' from comet 3I/ATLAS, the third known object from a faraway star The group leading the charge ...

NASA's hunt for alien life may be undermined by its own instruments, according to a group of leading astrobiologists who warn that current tools and mission designs are likely missing subtle, but ...

Scientists have searched one of the only known visitors to us from another solar system for signs of alien technology – and ...

An ocean world that's teeming with microbes — and who knows what other kinds of life — is currently the best explanation for some chemical signatures that the James Webb Space Telescope has spotted in ...

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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 ...