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.

The deep-sea diving Prospex Marinemaster is getting a limited edition dial and impressive new movement. Every product is ...

Giant oceanic manta ray (Mobula birostris) and scuba diver in San Benedicto Island, Revillagigedo, Mexico. (Photo by: Luis Javier Sandoval/VWPics/Universal Images Group via Getty Images) The first ...

You’ve no doubt heard of watches that have tackled Mount Everest — the Rolex Explorer’s entire mythos, accurate or not, is based on that exact feat. But how about a watch created to take on the ...

Many marine species are no strangers to the depths of the oceans. Some animals, like certain sharks, tuna, or turtles, routinely perform extreme dives, whereas for other species such behavior has been ...