Io has a massive global reservoir of molten lava 30 miles deep powering its fierce and active volcanism.
Strange orange lights sighted over Maryborough have left authorities and weather experts baffled.
Arkansas mystery deepens as more birds fall dead from the sky around the world.
The Deep Impact spacecraft flew by a small comet on Thursday some 13 million miles from Earth.
The Deep Impact spacecraft will soon be making a close approach of the comet Hartley 2.
New footage and pictures have been revealed of the wreck of the Titanic lying deep on the Atlantic sea floor.
Mystery surrounds a series of drawings and symbols on a Pictish tablet that could be an ancient language.
The method believed to be used by the inhabitants of Easter Island to move their statues has been called in to question.
Great white sharks are thought to be migrating west to do battle with giant squids in epic deep-sea confrontations.
Researchers continue to piece together a view of Antarctica's hidden "Ghost Peaks" buried deep underneath the ice.
The Hubble Space Telescope has taken a picture of the deepest view of the universe ever seen in near-infrared light, the...
A team of scientists has discovered over 40 unidentified species in a lost world contained inside a kilometre deep crate...
Details are emerging about life forms that survive in a lost world beneath the waves, a range of unusual jelly-like crea...
Sylvan Lake has become the scene of a mystery after a local woman witnessed a strange disturbance in the water which pro...
Astronomers have observed two distant planets that collided thousands of years ago in what would have been a catastrophi...
The mystery surrounding the discovery of methane on Mars has deepened as new data has revealed that the gas is being pro...
New research in to the practices of yoga, meditation and deep relaxation have shown them to have a profound effect on me...
Jellyfish and other similar marine creatures could be helping to curb the effects of global warming by stirring up the o...
Anthony Bragalia writes about a secret UFO "think tank" contracted by the US government since the 1940's to research tec...
Czech explorer Ivan Mackerle is seeking the Mongolian Death Worm, a deep red colored giant worm said to resemble the int...