In the book version of “Project Hail Mary,” author Andy Weir, known for grounding his fiction in plausible science, describes ...

A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...

God and aliens are having a moment. But what do Christianity and other faiths really teach about ETs?

As much as Steven Spielberg likes aliens, he seems to prefer holding them at arm’s length. The creatures in Close Encounters ...

An instrument on the Perseverance rover has identified large, complex carbon compounds alongside unusual patterns on the ...

What if consciousness isn’t limited to brains like ours? Philosophers Eric Schwitzgebel and Jeremy Pober argue that ...

Does consciousness require flesh and blood to exist?Probably not, according to Eric Schwitzgebel, a distinguished professor of philosophy at the ...

A new exoplanet model screens rocky worlds by their ability to retain atmospheres over geologic timescales, helping narrow ...

Using NASA's exoplanet-hunting spacecraft TESS (Transiting Exoplanet Survey Satellite), scientists have discovered a ...

SETI scientists searched the interstellar object 3I/ATLAS for radio signals that could indicate extraterrestrial technology ...

The best way to find alien technosignatures is to look for ones that have long survived their creators, according to a new ...

And if aliens made of different stuff potentially possess consciousness, then why not minds made of silicon, metal, and ...