Is anybody out there? Probably. Most stars have planets; we've discovered more than 6,000 exoplanets thus far, and the most ...

Brian Cox debunks the 'alien probe' theory for interstellar comet 3I/ATLAS. Learn the scientific truth about its ancient ...

The Milky Way contains a modest amount of alien civilizations, a new paper proposes — and there's a reason we aren't seeing ...

Ancient Martian life might be preserved in ice for millions of years, new research suggests. Experiments show pure ice acts ...

Proponents of ancient alien theories point to megalithic structures, strange inscriptions, and myths of gods descending from ...