For years, John Jones had explored caves without incident. But during a Thanksgiving trip to Utah's infamous Nutty Putty Cave, one wrong turn led him into a narrow, unmapped passage barely large ...

During the entire monitoring period, the team observed the seals using the bubble cave for 119 days and the main cave for just 30 days. Inside the bubble caves, the animals were seen either floating ...

Far below the surface of Mexico’s Yucatán Peninsula, a flooded labyrinth of limestone tunnels has quietly guarded one of the most haunting fossil troves of the Ice Age. In the darkness of a submerged ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Here’s what you’ll learn when you read this story: A fragmented skeleton now thought ...

Mediterranean monk seals are among the rarest pinnipeds in the world. Zafer Kizilkaya / Oregon State University via Flickr under CC BY-SA 2.0 When summer tourism heats up, Mediterranean monk seals ...

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 ...

An elite team of Finnish divers on Tuesday recovered the bodies of two of the five Italian tourists who died in a shark-infested underwater cave in the Maldives — as prosecutors launched a ...