NASA has released a fascinating photograph showing a large cave entrance on the slopes of a Martian volcano.
The well-preserved fossil remains of a 330 million-year-old shark have been discovered in a cave in Kentucky.
A cave painting dating back 44,000 years shows the earliest known depiction of a supernatural creature.
Forensic experts have created a detailed reconstruction of a Neolithic woman found in a cave in Gibraltar.
Modern forensic techniques have been applied to an ancient fractured skull found in a cave in Romania.
A thigh bone found in a Crimean cave belonged to a huge species of bird that was as heavy as a polar bear.
A sword discovered 30 years ago in a cave has turned out to be a lot more significant than previously thought.
The unexpected find represents the first ever evidence of Denisovans outside of Denisova Cave in Siberia.
Scientists have discovered the fossil remains of an extinct species of human in a cave in the Philippines.
Strange etchings on the walls of Creswell Crags in England were created to trap or repel evil forces.
A previously unexplored cave in British Columbia has been described as having 'national significance'.
Early human cave paintings dating back thousands of years could depict more than just hunting scenes.
Traces of beer dating back more than 13,000 years have been found in a cave near the Israeli city of Haifa.
Scientists have identified the first known example of first-generation interbreeding between two extinct hominins.
Hashtag-like etchings found on a rock in South Africa's Blombos Cave are thought to be over 100,000 years old.
A new study has found that Neanderthals, not humans, created the world's oldest known cave paintings.
Scientists have determined what made the notorious Roman cave so deadly to those who ventured inside.
A prehistoric jawbone unearthed in Israel's Misliya Cave is believed to date back up to 200,000 years.
Two cave experts have discovered a hidden network of caves underneath the busy streets of the city.
The Japanese space agency JAXA has announced the discovery of a cave hidden beneath the lunar surface.