Several households in England have been plagued by a woman crying through their letterboxes at night.
Dr Karl Kruszelnicki maintains that the answer to the mystery lies in little more than basic human error.
Forensic linguists have 'almost certainly' determined who really wrote the famous Civil War-era letter.
A peculiar aerial phenomenon has been sighted in countries all across the world in recent years.
The remarkable longevity of Roman sea piers has proven something of a mystery to modern engineers.
The alarm was raised in Dubai last week after the water started to turn a disconcerting orange color.
Researchers have finally worked out why some bird eggs are rounder while others are more pointy.
Astronomers have suggested that there may be more than one mystery planet in the outer solar system.
The pilot who famously reported witnessing the 1997 Phoenix Lights was actually actor Kurt Russell.
A puzzled motorist recently recorded footage of a riderless motorcycle cruising along a French motorway.
Today marks the 55th anniversary of the escape of three men from the 'inescapable' Alcatraz prison.
Police have revealed that the distress signal was genuine and that it was left in the outback in 2013.
Wildlife authorities have been investigating the recent sighting of an ape-like creature in California.
NASA's Mars Reconnaissance Orbiter has discovered a rather unusual feature on the planet's surface.
An extremely loud bang managed to wake up half the city when it shook houses at 3am on Sunday morning.
The mysterious mansion in California has opened several new rooms to the public for the first time ever.
Police in Western Australia have been investigating a large 'SOS' sign discovered in a remote area.
An Oxford University professor believes he may have pieced together the identity of Leonardo's mother.
It has been over a century since the ancient device was found in a shipwreck off the coast of Greece.
Remarkable new footage has finally helped scientists to explain the purpose of the narwhal's 9ft 'horn'.