The cenotes of the Yucatán Peninsula have held this secret for millennia — and a cave diver just brought it to light.

A paleontologist discovered ancient fossils inside a submerged cave, a find that could shed new light on prehistoric ...

This is the 11th prehistoric skeleton found in Mexico’s cenotes — and researchers say the caves may hold many more.

The find in Texas highlights what researchers say is an underexplored scientific resource hiding in plain sight. Texas is ...

On Sunday’s episode of The Excerpt podcast: Hidden beneath Earth’s surface are caverns and pathways that hold the secrets of our planet’s very beginnings. Even after decades of exploration, there are ...

The image 'Dream Gate' shot in a flooded cave in Mexico was a challenge ...

The cenotes of Mexico are famous not only for their beauty, but for the archaeological finds they reveal.

Cave diving combines the thrill of scuba diving and with the excitement of exploring a cave; it’s a challenging activity even for experienced explorers. At these four sites — some of the most popular ...

A prehistoric human skeleton was discovered in an underwater cave in Mexico that was flooded at the end of the last Ice Age, an archaeologist said Tuesday. Octavio Del Rio, a cave-diving archaeologist ...

Hidden beneath the water’s surface, these caves offer a unique beauty that few have the chance to witness. Imagine swimming in crystal-clear waters, surrounded by dramatic rock formations, and ...

Two men drowned while on a diving expedition in a mazelike Florida cave system that extends deep below the surface, authorities said Thursday. The Hernando County Sheriff's Office said three teenagers ...

Divers in Mexico's Yucatan Peninsula say they have discovered the world's largest underwater cave. Underwater archaeologists discovered last week that the cave system known as Sac Actun, located near ...