See tributes from show, his wife, and more.

Nick Pope — a UFO expert who was frequently featured on the History Channel’s ‘Ancient Aliens’ — has died. He was 60 years old. Pope’s wife, Elizabeth Weiss, announced the news of his death via ...

Debunking alien claims matters, but so does telling richer, more compelling stories about how humans shaped their own past.

As the long-running HISTORY Channel series "Ancient Aliens" begins its live tour, we get a preview from series favorite Giorgio Tsoukalos, a leading expert on Ancient Astronaut Theory, which contends ...

Movies like "Disclosure Day" and "Project Hail Mary" renew our fascination with extraterrestrials and the idea that humankind ...

Comedian and political commentator Bill Maher has apparently become a full-blown believer that UFOs are aliens. In the past ...