Chilean devil rays swim in the Atlantic Ocean near the Azores. Reinhard Dirscherl / ullstein bild via Getty Images There’s only one word for it: indescribable. “It’s one of those awesome experiences ...

Oceanic manta rays dive to record depths of 1,250 meters (4,100 feet), according to a first-of-its-kind study to examine in detail the extreme deep-diving behavior of these rays. Researchers tracked ...

Scientists have found that oceanic manta rays routinely make extreme dives of more than 1,200 meters – three-quarters of a mile – but it's not to feed, nor is it happening everywhere in deep water.

I’ve gone diving and snorkeling all over the world. But there’s something about cenotes that never gets old. I’m obsessed. Each one is like its own secret swimming hole. Some look small on the outside ...