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 ...

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 ...

A mysterious triangular UFO dubbed the "Dudley Dorito" has re-appeared in the skies of the Britain - nearly 20 years after first being spotted. The triangular-shaped object was spotted flying in the ...

Steven Spielberg is at the center of conspiracy theories, with claims circulating his highly secretive new UFO film may feature real aliens or extraterrestrial technology. RadarOnline.com can reveal ...

ROSWELL, NM Her book, "Area 51: An Uncensored History of America's Top Secret Military Base," is about the secretive Nevada base called Area 51. One chapter offers the new Roswell theory, citing an ...

Explosive whistleblower claims say the US, Russia and China are locked in a secret UFO arms race involving recovered alien craft.

Minnesota witnesses report a swarm of jellyfish-like lights in the night sky. Experts weigh in on possible explanations for ...