Hunter-gatherers who painted on cave walls 20,000 years ago also left behind something quite unexpected.
A small settlement in Derbyshire has gained international attention due to its connection with sightings of UFOs.
The bizarre footage, which was filmed recently in Derbyshire, is as intriguing as it is heartbreaking.
A PhD student in Antarctica recently captured footage of a camera being lowered down a deep borehole in the ice.
Here we take a look back at the most outrageous, peculiar and downright bizarre stories from the last twelve months.
The impressively life-like image was put together by a computer based on 3D scans of the pharaoh's skull.
Thousands of mysterious ancient stones depicting images of reindeer can be found dotted across the landscape.
The European Space Agency is working on a new mission to track down dark matter and find out what it is made of.
After four years of activity on the surface of Mars, NASA's InSight mission has finally come to an end.
This hellish world was photographed in remarkable detail during one of the probe's recent flybys.
The video, which was recorded on a baby monitor, shows an anomalous light next to the infant's head.
A recently discovered piece of wreckage from the doomed airliner has shed new light on the mystery.
This eerie clip shows what appears to be the face of a mystery figure staring out of the window.
The creature in this footage looks like a strange cross between a wolf and a fox - but as it turns out, it is neither.
Using quantum computers, the researchers simulated a working 'baby' wormhole without rupturing space and time.
A 2013 interview with a former-CIA agent who claimed to have intimate knowledge of Area 51 has been doing the rounds this week.
The tech entrepreneur showcased footage of monkeys 'typing' using only their brains at an event earlier this week.
Sporting five finger-like appendages, the 'hand' was found washed up along the shoreline on a beach in Brazil.
A veteran Loch Ness Monster hunter has spotted something unusual moving through the waters of Scotland's famous loch.
The unattached appendage had been found floating in the scalding-hot water by park staff earlier this year.