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

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A recent theory proposed by a NASA scientist suggests that extraterrestrial civilizations may not possess the wildly advanced technology that many UFO enthusiasts expect. This perspective, which ...

Since its discovery, the interstellar comet 3I/ATLAS has been under speculation for its origins and nature. The most famous was by Harvard astrophysicist Avi Loeb, who suggested that the object was ...

I love to hate this guy. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. When the latter, portrayed by Samuel Blenkin, appears on screen, he’s ...

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 ...