Manta ray brainpower blows other fish out of the water.

Judging the Through Your Lens photo contest is no easy task — the 2017 honorable mention winners took our breath away. See for yourself!

We are proud to announce the winning underwater images from the 2017 Photo Contest. See which macro, wide-angle, compact-camera and conceptual photos won!

Divers can comment online and at a series of statewide meetings that resume Aug. 16.

These divers had the experience of a lifetime interacting with playful gray seals off the east coast of the United Kingdom in the Farne Islands.

Photographer Thomas Peschak comes across a hammerhead that's lost its life to the shark fin-trade on the streets of Oman.

A Croatian diver builds an underwater wine cellar in the Adriatic Sea.

Ocean Sole is a nonprofit that recycles flip-flops into art.

Boyan Slat, 23.