Scientists propose a simple but powerful new method for detecting traces of alien biology, whether on Jupiter's icy moons, in ...

Imagined planets, ecosystems and creatures show how diverse alien biology could become.

A mind wrapped in skin and bone can feel like the obvious model for consciousness. But that assumption may say more about ...

Researchers say a biocontainment facility on the Moon could be humanity's last line of defense against potential future alien ...

Harvard astrophysicist Avi Loeb has floated the provocative idea that humans might themselves be alien‑made 'autonomous probes,' built through advanced synthetic biology rather than evolving entirely ...

Add Yahoo as a preferred source to see more of our stories on Google. A megacorporation's research ship returns from a 65-year mission into deep space loaded with gooey alien specimens. But—and stop ...