A woodland trail camera has captured footage of what some believe to be evidence of a panther on the loose.
A US nuclear attack submarine has suffered damage after striking an unknown object in the South China Sea.
The clip shows the body of some futuristic aircraft at Lockheed's Helendale Radar Cross Section Facility.
Police in Croatia are investigating the case of a mystery woman who is unable to recall anything about her life.
When Tom Bosworth fished up this peculiar specimen earlier this year, he had no idea what it was at all.
Astronomers have obtained their first detailed look at a peculiar Milky Way object known as 'The Accident'.
Scientists are close to proving that a cube of uranium was part of Germany's secret WWII nuclear program.
A Canary Wharf resident was left baffled after she captured footage of a flashing light under the water.
The pilots of two separate aircraft reported encountering the unidentified object over the coast on July 30th.
Gravitational waves are helping scientists to unravel the mystery of what happened when the universe began.
Fish physiologist Lucy Harding, and colleagues, have solved the mystery of why some fish are warm-blooded.
Many thousands of racing pigeons have disappeared without a trace after setting off from Peterborough.
A strange humming noise emanating from the iconic bridge has been driving locals round the bend.
A young girl buried in a European cave centuries ago was discovered with the head of a finch in her mouth.
The US space agency has tasked its researchers with getting to the bottom of the ongoing UFO mystery.
Malcom Robinson, who investigated a spate of UFO sightings in the 1990s, is still keen to solve the mystery.
A motorist recently captured dashcam footage of a child-like figure that appeared in the middle of the road.
A creature resembling a panther or puma made an unexpected appearance during a live TV segment.
Scientists have discovered dozens of previously unseen chemicals that most of us carry within our own bodies.
Over 175 years on, researchers are still trying to figure out what went wrong during the ill-fated expedition.