A new, record-breaking blue hole has been discovered in Chetumal Bay off the coast of Mexico’s Yucatán Peninsula, plunging ...

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 ...

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 ...