Wildlife researchers came across the prehistoric rock-art while searching for white-lipped peccaries.
Evidence of prehistoric horse domestication has been discovered in Siberia's Denisova Cave.
The reputation of Tyrannosaurus rex as a predator rather than as a scavenger has been restored.
Early cave-dwellers were better able to depict animals in drawings than their modern counterparts.
A vast cave system known as Alepotrypa in Greece was a bustling neolithic hub for thousands of years.
A robot designed to enter and explore coal mines may soon be heading off to visit caverns on the Moon.
A completely new species of spider has been discovered by cave explorers in southern Oregon.
Fossils dating back to 500,000 years ago have been found in a vast newly discovered network of caves.
New research has suggested that Neanderthals may have created cave paintings before modern humans.
Early paintings of seals found in the Cave of Nerja in Spain are thought to be the oldest ever found.
Archaeologists have found the tools and remains of a prehistoric workshop in a cave near Cape Town.
Cave etchings discovered in France are thought to have been made by prehistoric children.
Ancient rope and textiles found in a Peruvian cave are the oldest ever found in South America.
Ancient humans remains are thought to be those of a gay man based on the way he was buried.
A controversial cave drawing has spurred debate on whether or not it constitutes proof of creationism.
Prehistoric bird remains found in a cave suggest their feathers would have been once used for decoration.
Researchers have analysed a 30,000 year-old finger bone discovered in a cave in Siberia.
Today's generation could learn a thing or two about raising a child from our ancient ancestors.
Anthropologists have discovered a neanderthal cave sleeping chamber complete with hearth in Spain.
A cave system near Sydney is going to be the first in the world to offer tours spoken in Klingon.