The whereabouts of half the ordinary matter in the universe has long proven something of an enigma.
Five members of the same family went missing after going to pick up a Christmas tree almost 70 years ago.
A fresh new search for the missing plane's whereabouts aims to solve the MH370 mystery once and for all.
The Bering Air flight had recently been reported missing in a region notorious for unexplained disappearances.
Five decades on from her disappearance, the mystery of what happened to Sheila Fox has finally been solved.
A couple who had been renovating their new home in a small village in France recently made a grisly discovery.
The psychic discovered the skeletal remains of a person behind a bowling alley, but there was a twist in store.
A sword that had been lodged in solid rock for over 1,300 years has gone missing under mysterious circumstances.
The private jet and its passengers had vanished without a trace, leading to decades of fruitless searches.
A huge search and rescue effort is currently underway to locate Michael Mosley who disappeared four days ago.
After initially dismissing her claims as mere imagination, her parents soon realized that she wasn't making things up.
David Paton believes that he had an otherworldly encounter while driving home one night over 30 years ago.
The banging sounds were picked up during the search for the Titan submersible which went missing last year.
Lt Warren Singer's plane had disappeared without a trace during an attack on Italian airfields in 1943.
The creature, whatever it is, has sparked some heated debate online, with many dismissing the image as a hoax.
Search and rescue officials have revealed that parts of the missing sub have been found on the ocean floor.
With time running out for the crew, experts have weighed in on the safety measures missing from the stricken sub.
Another maritime disaster is potentially brewing as search and rescue efforts get underway.
In August 1942, an airship disappeared, then reappeared again a few hours later with all of its crew missing.
Incredibly, many people have gone on to live healthy, normal lives even with sections of their brain absent.