38
The findings bolster one particular explanation to one of the 20th-Century's most enduring mysteries.
227
It has been 25 years since a mass UFO sightings over Phoenix, Arizona captivated the world.
21
A jogger recently came across this indescribable creature and nobody seems to know what on Earth it is.
16
A road in the UK has become so warped that parts of it are now sitting at a 45-degree angle.
2
A tiny island off the north-west coast of Scotland was once the site of a deadly germ warfare experiment.
21
A witness who had been driving home in the early hours of Sunday morning encountered something very unusual.
14
The US tactical fighter jets were sent to intercept a suspicious object near Kauai's north shore.
7
The man had been walking outside when he was hit by a bullet that seemed to come out of nowhere.
1
A railway crossing in England has gained something of a haunted reputation over the years.
7
The mysterious object, which mirrored the pilot's movements, was captured on camera.
40
China's Yutu-2 rover has determined the nature of a mystery cube-shaped object that was photographed last month.
4
Beneath Mount Wingen in New South Wales lies a fiery inferno that predates modern civilization.
54
Newly declassified documents detail how multiple ships were harassed for weeks by mysterious drones.
4
The fascinating discovery could turn what we know about galaxy formation on its head.
16
A pilot flying over the Pacific has captured footage of several sets of lights moving in formation through the clouds.
33
A short video clip of what has been described as a mystery ape-like creature has recently appeared on Instagram.
3
A British engineer believes that he has pinpointed the precise whereabouts of the missing airliner.
40
China's Yutu-2 rover has set its sights on a very strange object spotted far off in the distance.
8
Strange tracks left by giant sauropod dinosaurs have been leaving experts scratching their heads.
3
Although several clues have emerged over the decades, the identity of the hijacker continues to remain a mystery.