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.
A 5-mile stretch of rugged woodland near Leominster has been home to mysterious sightings dating back 200 years.
For decades, the fossil of a lizard found over 90 years ago was thought to exhibit evidence of preserved soft tissues.
A radio station in Jasper was silenced earlier this month when its radio tower mysteriously disappeared overnight.
A woman dressed in white was spotted standing among the trees in this infamous area of rural England.
Back in January, multiple pilots witnessed mysterious lights in a triangular formation over the Canadian Prairies.
An ultramarathon runner unwittingly encountered a mysterious figure during a 100-mile race in the Hawaii rainforest.
NASA's decade-old rover recently spotted something rather familiar while trundling across the surface of the Red Planet.
Back in September 2023, millions of bees mysteriously wound up dead in a single night at a sanctuary in California.
The object, which was only visible using thermal imaging cameras, seemed to have appendages dangling from its underside.
The Dark Energy Survey (DES) has taken us closer to understanding this mysterious form of energy.
An extensive police presence at Bayside Marketplace on Monday fueled speculation about a sinister alien incursion.