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We asked, and our readers told us: These three locations earned top marks for their healthy marine life, something every diver wants when they splash down.

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.

Increased great white shark sightings in Florida highlight conservation success, with juvenile sharks thriving thanks to protections and research efforts.

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.

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.

When the sun sets, the ocean comes alive with a whole new world of marine life. Here's what you can expect—and how to prepare your camera.

Ever wonder why sharks have so many differently shaped teeth or why they keep regrowing throughout their lives? Dr. David Shiffman discusses one of sharks' most iconic—and fascinating—features.

Can sharks be kept at bay without harm? A scientist is testing an electromagnetic barrier off Cape Cod to find out.