For centuries, ancient monuments and mysterious markings, visible only from the sky, have captivated and puzzled researchers. The Nazca Lines in Peru, with their sprawling designs of animal shapes and ...

The wait is over - “Ancient Aliens: Origins” returns for season 2, premiering October 6 at 9 p.m. on the History Channel, and you won’t want to miss a moment of the mystery. Whether you’re fascinated ...

Content not available in your region? ExpressVPN can help you stay connected wherever you are. Get 4 extra months FREE with TV Guide's exclusive offer. Across time and cultures, from ancient Egypt and ...

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 ...