Are we alone in the universe ? Scientists have taken another stab at finding out how common civilizations might be.
A planet thought to be the real-life equivalent of Spock's homeworld Vulcan might not actually exist after all.
From lucid dreaming to the way sleeping affects the brain - the mysteries of sleep are now slowly being revealed.
An unknown object was spotted in a very brief clip recorded during the Memorial Day weekend activities.
Several people over the years claimed to have built a device capable of enabling two-way conversation with a ghost.
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.
For years, scientists have struggled to find a single, universal theory that links together all aspects of the universe.
The peculiar object had been found along a remote forest track recently in Haywood County, North Carolina.
As strange as it may sound, there have been several cases of alleged 'death by UFO' over the decades.
The SpaceX and Tesla entrepreneur made the tongue-in-cheek comment at the recent Viva Tech event.
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.
An injured orangutan was recently observed chewing a medicinal leaf and applying it to his wound.
A mysterious statue of an alien-like figure found by workers in Mexico has been analyzed by experts.
Efforts to determine what was inscribed upon the stone, which was found in a man's patio, had proven challenging.
The peculiar object was found quite by accident along a trail in Haywood County, North Carolina.
Luring inquisitive extraterrestrials to our planet using nuclear radiation seems like a bit of a shot in the dark.
This alien-like fish, which typically lives 3,000ft beneath the surface of the ocean, is a very unusual find.
The first episode of our brand new YouTube series 'Quite Mysterious' is now available to watch!