An excellent diving site, this incredible duo of caves is a favorite of both tourists and locals alike. The two caves—known as Cenote Dos Ojos—were created by two 70-foot sinkholes connected by a ...

With its year-round sun and excellent visibility, the waters of the Caribbean offer some of the best scuba diving in the ...

A mile and a half beneath the ocean’s surface, the seafloor seems nearly as alien as the surfaces of other planets. Deep-sea volcanic ridges, formed by the collisions of tectonic plates, create ...

The Hranicka Abyss is at least 1,325 feet deep, and likely goes down further. — -- A team of explorers believe they have discovered the deepest known underwater cavern the world in eastern Czech ...

The underwater caves of the Yucatán Peninsula are a window to the distant past. Through two million years and over multiple glaciation cycles, these caves have been transformed. When the sea level was ...

"Please allow us some time to come to terms with his loss, as up until now we have been focused on the recovery,” his co-diver, Andy Pitkin, wrote in a statement Kimberlee Speakman is a digital writer ...

Drought conditions have revealed an underwater cave at Canyon Lake in Texas, photos show. Screengrab from Facebook post by Paul Sullivan. An underwater cavern revealed by drought is drawing visitors ...

Scientists found a “golden” sea creature “deep within” underwater caves off Saudi Arabia and discovered a new species, a study said. Photo from Getty / iStockphoto On a coral reef off the western ...