Excavations at Israel's Tinshemet Cave have revealed a level of inter-species co-operation never seen before.
Scientists have found evidence of a subterranean labyrinth of tunnels hidden beneath the planet's surface.
The remains of a prehistoric skeleton found in a cave in South Africa may be something completely new to science.
The enormous webbed structure is thought to contain more than 111,000 individual spiders.
South Africa's Rising Star cave system is home to one of the most important discoveries in paleoanthropology.
Researchers have been attempting to solve the mystery of a 300,000-year-old skull found in Greece.
The body of the unidentified hiker was found in a cave along the Appalachian Trail back in 1977.
A detailed analysis of recently discovered fossils has revealed more about these enigmatic pint-sized humans.
This cave and others like it could one day provide the perfect place to build a lunar settlement.
Scientists have suggested that subterranean lava tubes on Mars could be home to primitive alien life forms.
A small, unassuming cave in Venecia, Costa Rica has earned a reputation for proving almost immediately fatal.
For years, archaeologists have remained divided over the discovery of alleged giant skeletons and artifacts.
The disappearance of Kenny Veach still remains a topic of debate and intrigue almost 10 years on.
The bill requires that information about UFOs be disclosed, but now gives the Pentagon free reign to withhold whatever it wants.
The swords were found in a high up, inaccessible crevice where they had been hidden two millennia ago.
There have been multiple sightings of small humanoids on the island of Flores in Indonesia over the last few decades.
Hunter-gatherers who painted on cave walls 20,000 years ago also left behind something quite unexpected.
The 31,000-year-old skeleton is believed to be the earliest known evidence of surgical intervention.
A controversial new book claims that the hobbit-like Homo floresiensis may not have actually gone extinct.
New research has suggested that the process of creating cave paintings may have been a family affair.