When people imagine alien life, they usually look toward the stars. But there is another unexplored world much closer to home ...

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 ...

Elon Musk has turned a long-running joke about being an extraterrestrial into a central part of his public persona, even as he argues that humanity may be the only intelligent life in the universe.

In a chilling new wave of whistleblower claims, former military insiders have suggested that humanity is not a free species exploring the universe, but a quarantined population trapped inside an alien ...

With the release of Disclosure Day, Steven Spielberg’s new film about aliens, a question as old as science fiction itself resurfaces: if aliens were to arrive on Earth, would they come to conquer us, ...