Giorgio A. Tsoukalos talks about the Alien Astronaut Theory & the new episodes of "Ancient Aliens" on The History Channel.

The intriguing celestial object known as 3I/ATLAS has sparked debate over whether it is a natural comet or alien technology. Recent reports have consistently debunked the alien hypothesis, reaffirming ...

Everyone loves a good alien invasion story, preferably one with city-sized ships and physics-defying tech. There's just one big problem with that. The Milky Way is estimated to contain 100 to 400 ...