Scientists discovered that methyl halides, a gas produced by microbes, could be a biosignature for life on distant planets.

If you’re going to set a sci-fi movie on an alien planet, it’s a nice bonus if that planet actually exists. Or, at least, is ...

Scientists have identified a promising new way to detect life on faraway planets, hinging on worlds that look nothing like ...

Astronomers are ready to search for the fingerprints of life in faraway planetary atmospheres. But first, they need to know ...

A chemical found in the atmosphere around an exoplanet that leads researchers to believe the planet may harbor life is called ...

Eiza González plays the lone survivor of a deep-space bloodbath in 'Ash,' which saves its boldest ideas for your eyeballs, ...

Professor Tim Coulson, a leading authority on alien existence, has warned that mankind could be "wiped out" by vile slug-like ...

Whether aliens could detect our modern civilization depends on what signs they’re looking for—and, crucially, their distance ...