They recognized the cave’s water resources and skillfully built infrastructure to navigate the underwater landscape. This strategic construction showcases the ingenuity of our ancestors and ...

Cave diver Klaus Thymann has discovered manatees in a pristine but threatened habitat on Mexico's Yucatán peninsula. Now he's ...

From a protected cove on Long Island, Dean’s Blue Hole—Earth’s deepest known underwater cave—plunges more than 600 feet into darkness. The entry to South Passage is decorated by ...

Beneath the land surface of the Bahamas, the underwater caves known as blue holes stretch for hundreds of miles in all directions. Today, these labyrinthine passages host a variety of tiny sea ...

Sistema Sac Actun is the world’s largest underwater cave system. Stretching an astonishing 215 miles, this submerged labyrinth of tunnels, caverns, and crystal-clear waterways is not only a ...

A group of divers have connected two underwater caverns in eastern Mexico to reveal what is believed to be the biggest flooded cave on the planet, a discovery that could help shed new light on the ...

Increased development and a new train line to the peninsula, an already popular tourist destination owing to its unique landscape and ... dense habitat of underwater caves may be the first step ...