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

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

Machine learning is quietly rewriting the rules of the cosmic hunt for company. Instead of waiting to recognize familiar fingerprints of biology, researchers are training algorithms to spot the deeper ...

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

A nutrition scientist applies metabolism, biology and food science to one of science fiction's oldest questions.