NASA's twin GRAIL probes have helped to solve why the Moon's gravity appears to be uneven.
Residents have been reporting aircraft doing loops over the city all night, every night for two weeks.
Archaeologists have come across a number of strange spheres below an ancient pyramid in Teotihuacan.
The decomposing foot of a mysterious creature has been discovered by two young boys in a forest.
Honeybees have been dying off faster than ever with up to 50% of hives being wiped out last year.
Mysterious grassless rings appearing in the South African desert are believed to be made by termites.
A student photographed the unidentified creature from her bedroom window as it bounded through a park.
A photograph of a mysterious carnivorous creature has been posted by Jonah King on Twitter.
Authorities in Sweden have been left confused after a seal pup was discovered in the middle of a forest.
Scientists believe they have explained what caused the Hindenburg to explode back in May 1937.
Authorities in Australia have been left baffled following the formation of a mysterious circle of fire.
The mysterious demise of dozens of sea creatures on the Peruvian coastline has baffled experts.
Archaeologists believe they've found the final resting place of Sir James Tillie of Pentillie Castle.
Scientists may have finally solved the mystery behind one of the most infamous hoaxes in palaeontology.
The tomb of Renaissance warrior Giovanni dalle Bande Nere has revealed an intriguing mystery.
Three scientists believe they've determined why some sand dunes produce a strange humming sound.
The hunt for a long lost Da Vinci masterpiece beneath a fresco in Florence has been called off.
Two skeletons discovered on a remote Scottish island have been at the centre of a mystery for 10 years.
Far from following a random flight pattern bees have the ability to plan the most efficient route.
The Opportunity rover has snapped a picture of strange spherules that has experts scratching their heads.