Harvard scientist Avi Loeb suggests comet 3I/ATLAS may be an alien vessel seeding life, after NASA's SPHEREx spacecraft detected unexplained methane and organic chemicals on board.

Is intelligent alien life really out there? With powerful telescopes identifying more potentially habitable planets each year, the possibility continues to grow. But what would happen if we actually ...

If we were to ever find alien life, breaking the news to the general public could be much more difficult than one might think ...

Ghislaine Maxwell invoked the Fifth Amendment at a House deposition. Her attorney suggested she would provide a "complete account" if Trump grants her clemency.

The Black Knight Satellite and the Unanswered Questions in Earth’s Orbit ...