Hidden beneath the unassuming landscape of eastern Pennsylvania lies a subterranean marvel that seems plucked from a fantasy ...

For perspective, that’s so ancient that when these rocks were forming, fish were still considered evolutionary overachievers.

While exploring a massive limestone mine, we stumbled upon something totally unexpected – a natural cave system hidden within the man-made tunnels. In this video, we follow the path from rough ...

World Rarely seen cave art holds prehistoric secrets in France Deep inside a labyrinthine cave in southwestern France, ancient humans who lived around 30,000 years ago carved horses.

Officials at Dunbar Cave State Park reported that the oldest cave art in the U.S. was “completely submerged,” which “has never happened before.” ...

The Makauwahi Cave Reserve sinkhole is the largest limestone cave in Hawaii. More than 7,000 years ago, its ceiling collapsed, creating a natural amphitheater.

Archaeologists keep finding older and older cave art. Here’s what it could tell us about how humans evolved over time.

The world's oldest figurative cave art has been identified thanks to sophisticated new dating techniques in a cave on the Indonesia.

More than 50,000 years ago, humans painted a hunting scene in a cave in Indonesia that archaeologists say represents the oldest known example of storytelling in art history.