After a storied three-plus-decade career in the U.S. Navy, where he became the first Black Navy diver to complete the Navy's Deep Sea Salvage program, among other accolades, this month's sea hero now devotes his time to educating the next generation of divers.

In this edition of “Ask A Marine Biologist,” Dr. David Shiffman discusses one of the internet’s favorite deep-sea weirdos.

The mantis shrimp may be small, but it packs a powerful punch—literally. Now, scientists finally have a better understanding of how these tiny crustaceans protect themselves from their own power.

The video captured the world's attention. Weeks after a lone, now-famous anglerfish ascended from the depths and into the light, scientists still don't know what caused the unusual behavior.

A teen’s perspective on what makes this South Pacific destination truly unforgettable. From diving with tiger sharks to learning about a new culture, Fiji has it all.

Once on the verge of extinction due to decades of rampant exploitation, the black sea turtle is making a comeback. Here's how these turtles came back from the brink.

There's a lot of misinformation floating around about coral bleaching and the Great Barrier Reef. This month's Sea Hero dedicates her work to sharing the truth—and inspiring people to help.