A series of strange markings appeared in a sunflower field in the Krasnodar region last Thursday.
Police officers are investigating an alleged case of spontaneous human combustion in Edmonton.
A 'floating' figure and some strange lights were observed by at least four witnesses over two nights.
Man-made ditches found across the Bolivian and Brazilian Amazon remain something of a mystery.
Astronomers have identified a new cosmological mystery using data from the Hubble Space Telescope.
A newspaper photograph of Earhart's plane taken in 1937 could hold the key to her disappearance.
A pair of unknown vicious dogs have been attacking people and evading police officers in Thornhill.
Scientists believe that plants, not animals, are responsible for the strange vegetation-topped mounds.
A new 3D imaging technique could finally determine whether the warriors were based on real soldiers.
A strange object in one of Titan's largest seas has been mysteriously appearing and disappearing.
Scientists have identified a Great White Shark that was attacked and eaten by something much larger.
Meteorologists in Albuquerque were left perplexed when several mysterious hits showed up on their radar.
A trail of large, humanlike footprints has been discovered near the Endau Rompin forest reserve.
A cruise vessel has picked up an 'unusual' reading of an unidentified object in the depths of Loch Ness.
Two men climbing in the mountains of British Columbia spotted an unusual figure in the distance.
A distant, enigmatic burst of radio waves has been detected by Puerto Rico's Arecibo Observatory.
Scientists report that they have finally figured out what is causing a strange quacking sound in the sea.
A mysterious hammer was discovered in Texas in 1934 embedded inside a rock several million years old.
NASA's Curiosity rover has managed to capture an image of an anomalous light on the Martian surface.
Some believe that Buddhist monks are able to accumulate a mysterious substance within their bodies.