Hundreds of archaeological sites exist in the cave, including evidence of America's first settlers, Mayan culture, and extinct animals. Click here to read World's Largest Underwater Cave Discovered.

In the system, underwater archaeologists found the 15,000-year-old remains of giant sloths, proto-elephants called gomphotheres, and bears, as well as an elaborate shrine to the Maya god of war ...

HERNANDO COUNTY, Fla. — Weeki Wachee is famous for its beautiful river and of course the mermaids. But, there’s also an extensive underwater cave system there and now an underwater research ...

But that meant, stuck in this tight underwater cave, I would never die. I was in limbo. Or maybe I was in hell. I spent far too long searching for a route out.

These underwater hockey players had great swimming skills. Much like ice hockey, the game needed to be played with precision and treachery. Watch to see underwater footage of the chaotic game.

From cave diving in Palawan to volcano hikes up Mount Bromo, Asia delivers some of the most thrilling experiences on the planet Reading Time:4 minutes Why you can trust SCMP Tim Pile Published: 8 ...

DOC ranger Sebastian Doak has been helping with the conservation of Nelson cave spiders for three years. He explained the species inhabits a space around 10 to 30 metres from cave entrances.

The “unusual” Nelson cave spider is an ancient species and New Zealand’s largest native spider with legs over 5 inches long, according to officials.

PROVO, Utah -- Two women and two men were found dead in a narrow, underwater passageway that led to a chamber in a spring-fed cave on a hillside above Provo, ...