The long-running enigma of the mystery monoliths has entered a new chapter this week.
The clip, which shows the silhouette of a single person high up above the venue, has gone viral on social media.
Scientists have suggested that subterranean lava tubes on Mars could be home to primitive alien life forms.
The alleged Bigfoot prints appeared to have been left by someone or something that wasn't wearing any shoes.
For years, a radio station broadcasting continuously out of Russia has managed to defy explanation.
The peculiar object was found quite by accident along a trail in Haywood County, North Carolina.
Staff Sergeant Mario Woods had a close encounter with something he could not explain back in 1977.
We're expanding onto YouTube and our first video will be available sooner than you might think.
The curious inscription was discovered quite by accident underneath a stone slab in a homeowner's garden patio.
The notoriously peculiar tourist attraction, which was built to host aliens travelers, has been completely destroyed.
This curious drawing is found in the manuscript of a book written in the 16th-Century by Franz Helm.
A team of planetary scientists has found new evidence of an undiscovered planet in the outer solar system.
Witnesses managed to capture the spectacle on film as the mysterious object slowly descended into the water.
NASA's Lunar Reconnaissance Orbiter (LRO) recently photographed a curious object moving at high speed.
For years, archaeologists have remained divided over the discovery of alleged giant skeletons and artifacts.
Officials in Angola have highlighted the recent case of 50 people who died while being forced to prove they weren't sorcerers.
The inventor and engineer picked up a mysterious signal in 1899 that he could not find an explanation for.
Four years on from the appearance of several mysterious monoliths, another has suddenly shown up on a Welsh hill.
It has now been an entire decade since Malaysian Airlines flight MH370 vanished under mysterious circumstances.
The enormous footprint was found imprinted in the mud along a picturesque coastal path.