Harvard’s Avi Loeb and astrophysicist Neil deGrasse Tyson weigh in on interstellar comet 3I/ATLAS and the rising alien ...

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, ...

Elliott chats with Giorgio A. Tsoukalos, Co-Executive Producer of HISTORY’s Ancient Aliens, to explore Nevada’s curious ties to extraterrestrials and the mysteries of human history.

The hit History Channel series explores the theory that extraterrestrials have visited Earth for thousands of years. Robert ...

NASA’s Perseverance rover may have found ancient life on Mars—echoing decades of alien movies warning us not to underestimate ...

NASA rover Perseverance collected evidence being considered by agency officials as 'the closest we have ever come to ...

I/ATLAS is a fast, ancient interstellar object. Its odd features fuel both scientific study and speculation. On July 1, astronomers detected a strange, fast-moving object racing toward the Sun. Named ...

Minerals in the rock might have been produced by microbes in chemical reactions, but researchers say they’ll need to examine ...

A new book charts the millennia-old history of our fascination with aliens, and how myth transformed into research.

Was there ever life on Mars? Planetary scientists think there could have been but there hasn’t been any direct evidence.

The search for life on Mars reached its most promising breakthrough yet after NASA revealed new findings of possible ancient ...

NASA is releasing intriguing details on its discovery of Mars biosignatures and exactly what that means for alien life.