Footage has emerged showing a dark figure crouching down next to a stream in a secluded forest.
A man visiting the Asheville area managed to record a strange figure retreating through the undergrowth.
An event known as 'the Big Rip' could ultimately see the cosmos being torn apart in the distant future.
An animal that resembles a large predatory cat has been seen stalking a quiet neighborhood in England.
Cosmic radiation could be the single biggest problem for future astronauts embarking on a trip to Mars.
Some scientists believe that the cosmos will eventually collapse in on itself in a 'Big Crunch' event.
A terrified hiker managed to record several seconds of footage before legging it from the scene.
Researchers used volunteers dressed up in monster costumes to investigate how people reported sightings.
Researchers have drawn up a list of the dozen most likely scenarios that could spell the end of humanity.
John Podesta has stated that his biggest failure of the last year was not securing UFO disclosure.
Ghosts, fortune telling and superstitions remain an integral part of the local culture in Thailand.
Scientists have put forward a new theory suggesting that the universe may have never had a beginning.
Four unidentified figures have been captured in a controversial video recorded through a webcam.
The world's largest ever rodent was so big that it used its front teeth like tusks to defend itself.
A man from Fife has broken a ten-year silence by revealing his encounter with a mysterious hominid.
A video showing a figure walking through the snow was recorded on Tuesday in Brooklyn, New York.
A mysterious figure was caught on camera by a canoist in marshlands outside of Tampa, Florida.
Footage has emerged showing a large hominid strolling through the snows of a Russian forest.
Several big names have signed a letter aimed at ensuring that AI research remains beneficial to mankind.
A controversial picture taken by a retired electrician has been making headlines since appearing online.