A new scuba diving world record was recently set when Egyptian special forces officer Ahmed Gabr plunged to more than 1,090 feet in the Red Sea.

Lad Akins has spearheaded the battle against invasive lionfish in the Caribbean and Atlantic via his leadership at Reef Environmental Education Foundation.

Marine Biologist and PhD student Daniel Stoupin has made an amazing time-lapse video of the Great Barrier Reef's sponges and corals under high magnification, showing a world of color and shapes that highlights the biodiversity of the largest coral reef ecosystem in the world.

The video of Keller Laros’ rescue of an entangled Kona dolphin went viral last year, but protecting Hawaii’s manta rays is our July Sea Hero’s real focus.

From a distance, it looks like a huge oil spill - but when you look closer, you can see that it's actually a massive school of fish. Samples of these Northern anchovies were taken to the lab for analysis, but scientists are still unclear on why they appeared off the coast in such shallow water.

Overpowering currents! Raging storms! Marauding sharks! Your dive instructor never mentioned you'd have days like this. Here's how to get home safely.

Would you like to help raise money for marine-conservation research? REEF, a grassroots organization that aims to protect marine ecosystems, is accepting donations.

ScubaLab took 21 scuba masks into the water to test field of view, volume, function and features. Here's the rundown.

The SCUBAPRO Spectra Trufit was a Testers' Choice at the ScubaLab Mask Test and Gear Review. Get the specs!