Packages of CDs containing files about popular conspiracy theories have been turning up around Wales.
A large hexagon-shaped feature in Saturn's atmosphere appears to have changed color from blue to gold.
A large planet lurking in the outer solar system could be causing the sun's rotational axis to tilt.
Scientists have come up with a new theory that could help to explain the mystery of the Bermuda Triangle.
A strange aluminium object unearthed in Romania in 1973 is thought to date back up to 250,000 years.
Father-of-two Max Spiers was found dead back in June after going to Poland to give a talk about UFOs.
The mysterious Victorian mansion has remained a place of intrigue since Sarah Winchester's death in 1922.
Back in the 1980's, California houseboat residents had reported hearing a strange humming noise at night.
The author of 'It' and many other popular novels maintains that creepy clowns will always be terrifying.
The mystery of a missing British explorer ship which disappeared in the Arctic in 1845 has been solved.
Environmental officials have been left perplexed after dozens of grackles appeared to fall ill en masse.
Authorities have called for an investigation after the Daldykan river turned a peculiar shade of red.
The Rosetta spacecraft has finally managed to locate its companion probe on the surface of comet 67P.
A peculiar circular island nicknamed 'The Eye' has managed to draw a lot of attention in recent weeks.
Dozens of cats have been going missing under mysterious circumstances in the town of Frauenkirchen.
Odd baseball-like objects found washed up on British beaches have turned out to be a type of sea urchin.
A strange object spotted beyond the orbit of Neptune appears to be going around the sun in reverse.
An excavation later this month will aim to solve the mystery of the Nazi gold train once and for all.
Arthur Marrin came across a strange creature while traveling in New South Wales over a century ago.
Astronomers are no closer to explaining the erratic behavior of this perplexing stellar phenomenon.