A triangular UFO captured on infrared over Area 51 has gone viral, starting alien theories and questions about secret military tech.

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 ...

Scientists who once rolled their eyes at flying saucer stories are now treating strange things in the sky as a serious research problem, not a punchline. Across government, academia and private ...

A former NASA staffer has claimed one of the astronauts on board the Challenger space shuttle saw footage of alien corpses ...

Few names in the UFO world provoke as much fascination and frustration as Bob Lazar. More than three decades after he first went public, Lazar remains the most famous whistleblower to claim he worked ...