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Do Sharks Sleep? The Surprising Truth About Shark Rest Patterns

In this edition of “Ask A Marine Biologist,” Dr. David Shiffman answers a popular question about our beloved apex predators of the sea.

How Much of the Ocean Has Been Explored? 17 of Your Ocean Questions, Answered.

Marine biologist Dr. David Shiffman provides the ocean facts you want to know in this marine Q&A!

New Regulations Proposed for Hawaiian Manta Diving

Rules put forth by the state’s Department of Land and Natural Resources aim to address overcrowding and safety concerns that it says are due to the current lack of regulations.

Everything (And More) You've Wanted to Know About the Siphonophore

Fun facts about the siphonophore: its size, its species, the longest siphonophore on record and more!

The Best Scuba Diving in the World

We polled thousands of divers—they say these places have the best diving in the world.

VIDEO: New Deep Ocean Ecosystem—‘The Trapping Zone’—Discovered in the Maldives

Micro-nekton caught in benthic geography are supporting a food chain in a never-before-seen environs more than 1,600 feet deep.

Dive It All on Grand Bahama

This world-famous destination delivers sharks, dolphins, wrecks, reefs and more

Five Marine Science Books for Scuba Divers

Peer inside seaweed, seashells, coral reefs, algae and eels with this collection of books about the ocean.