Scientists have found ancient nail tooth shark fossils deep inside Mammoth Cave in Kentucky, revealing new information about ...

Finding them in a unique place just adds to the fun, but when a set of fossilized footprints was spotted on the ceiling of a cave in Australia, it sparked a decades-long mystery that was only just ...

Get all the news you need in your inbox each morning. The city, in Chelan County, is about 150 miles east of ...

Part of the cave ceiling collapsed, letting sunlight into the cave and allowing for grass and plants to grow.

Officials said they knew floodwaters submerged the cave art because the ceiling of the connecting path was covered with mud. A thin layer of mud also covers the cave art, with officials adding ...