A stunning underwater cave with beams of sunlight looks like the perfect diving spot—but a closer look reveals a different story. Watch as hidden trash is uncovered from the ocean floor, proving that ...

A team of cave divers and biologists explores Aerolito Cenote on the island of Cozumel, Mexico, to study one of the world's most unusual underwater ecosystems. Following biologist Fernando Calderon ...

A new study has found that animal bones lying on the floors of underwater caves carry a hidden record of how they got there. The record reveals whether each bone settled while submerged or while ...

Bones preserved in underwater caves offer a rare and powerful window into the past—but until now, researchers have had limited tools to understand how the remains of extinct megafauna and other ...