Questions have been raised over the vanishing of the bodies of two prominent British explorers from the mountain.
Former MoD UFO researcher Nick Pope has commented on the potential societal consequences of finding aliens.
Air Force technicians who studied captured technology at Area 52 are now suffering from health complications.
One of the most unusual comets in the solar system is due to make its closest approach of the Earth today.
For years, a radio station broadcasting continuously out of Russia has managed to defy explanation.
China's answer to the X-37B is doing something in Earth's orbit and nobody is quite sure what that might be.
The wreck of the San Jose, a 300-year-old Spanish galleon, is thought to be filled with gold and jewels.
The next-generation aircraft looks like something you are more likely to find in a science fiction movie.
Luring inquisitive extraterrestrials to our planet using nuclear radiation seems like a bit of a shot in the dark.
The phenomenon, which was visible over the ocean, occurs under very specific atmospheric conditions.
For years, anthropologists struggled to determine which human ancestor the skull - along with two others - belonged to.
Prominent Slovakian politician Lukas Machala is reportedly no stranger to conspiracy theories.
For years, rumors have circulated suggesting that the singer was replaced decades ago by a body double.
33-year-old Rebecca Galentine has attracted quite a following online thanks to her unusual taste in collectibles.
The remarkable spectacle, known as the CG 4 cometary globule, is situated 1,300 light years from Earth.
The bonkers plan looked at ways to stop the Earth's rotation so that Soviet nuclear missiles would miss their targets.
Analyzing astronomical data for evidence of alien technosignatures could point us to extraterrestrial civilizations.
A small, unassuming cave in Venecia, Costa Rica has earned a reputation for proving almost immediately fatal.
NASA is currently funding a revolutionary new propulsion system that could make it much easier to travel to Mars.
The surprisingly clear image shows what appears to be a metallic saucer-shaped object in the sky.