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 ...

Astrobiologists are raising concerns that humanity’s search for alien life may be limited by the very tools designed to find it.

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 ...

Data from the James Webb Space Telescope on exoplanet K2-18b has revealed the "strongest hints yet of biological activity ...

Solar winds and coronal mass ejections may scatter narrow signals, making them harder for Earth-based telescopes to detect. The SETI Institute uses radio telescopes to search for signs of intelligent ...

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