The longest known underwater cave in the world is even longer than we thought. As of the start of this year, cave divers have mapped 524 kilometers (325.6 miles) of a subterranean water 'web' near ...

Just off the coast of Marseille, a cave filled with prehistoric art lies hidden under the sea. The Cosquer Cave, discovered ...

BUNGOONO, Oita -- Divers in Inazumi Underwater Cave, located in this southwestern Japan city and known as one of the ...

From mammoths to giant tortoises, a Texas cave discovery is giving scientists a new look at life during the Ice Age.

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 ...

A cave diver known for his record-breaking dives and contributions to scientific research has died during an underwater expedition. Divers recovered the body of Brett Hemphill, the 56-year-old ...

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 ...

Human remains found deep inside a cave in Mexico date back 10,000 years, offering new clues about early burial practices in ...

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

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 ...

Ice Age fossils discovered in an underwater cave in Texas reveal new details about prehistoric animals and ancient ...