Scientists have found a way to identify the DNA of our ancestors from prehistoric bone dust samples.
Scientists have discovered a superbug that has remained isolated underground for millions of years.
Divers have discovered an underwater cave in the Czech Republic which descends to a depth of 1,325ft.
A 50,000-year-old sewing needle made from bone has been discovered during a dig at a cave in Siberia.
Neanderthal remains unearthed in Belgium's Goyet caves show indications of cannibalistic behavior.
An extremely rare form of cave-dwelling salamander has emerged from its egg in Slovenia's Postojna cave.
Remarkable prehistoric structures made from stalagmites have been discovered inside a cave in France.
70-year-old Peter Lohr claims to have located five nuclear bombs inside a network of underground caverns.
A missing patent for the world's first powered flying machine has been found in an old archive in Kansas.
The woolly mammoth is not the only prehistoric beast that modern science could bring back to life.
New research has indicated that 'hobbit' remains found inside a cave actually do belong to a new species.
Anthropologists have discovered 47 human teeth in a cave in Southern China that date back 80,000 years.
Evidence of a 9,000-year-old Stone Age ritual site has been found on the Swedish island of Bla Jungfrun.
A treasure trove of bones has been found inside a hidden chamber within a cave near Johannesburg.
A new species of centipede has been found inside a cave system 4,700ft below the Earth's surface.
Ancient cave drawings found in Indonesia show that early Europeans weren't the only ones creating art.
A number of unusual cave paintings dating back 10,000 years have been discovered in Chhattisgarh.
Ancient remains found in a cave in China may belong to a species of human that lived 11,000 years ago.
Two marble statues associated with the recently discovered 'Gate to Hell' cave have been unearthed.
Wildlife researchers came across the prehistoric rock-art while searching for white-lipped peccaries.