A viral video of 15 sharks circling near paddleboarders in California hides a bigger problem "We may never know exactly how many sharks are out there. What we do know ... is that many species of sharks are decreasing in population at alarming rates."

Time to feed the sharks

Mating Crabs Busted by Sharks During a National Geographic expedition surveying sea life off the coast of Chile, an underwater camera attracted voyeuristic sharks.

One fish’s excretions are another’s vital resource Far from being repelled by ammonia, sharks are attracted to it

Everything I Ever Thought I Knew About Street Sharks Was a Goddamned Lie You remember Street Sharks. Sharks on rollerblades, fighting crime, rock ‘n roll saxophone on the soundtrack, Jawsme, the episode where the sharks are called on to save the city from gang warfare, or the one where a long-lost sister shows up and ca Read more ... uses problems for everyone. You remember Street Shar...

Mystery Solved? How Sharks Find Their Way Home How sharks navigate the vast and seemingly featureless ocean has long been a mystery, until now.

Science Beta Whale sharks eat 46 pounds of plankton and krill per day. Read how these sharks devour so much food: http://sciencebeta.com/how-whale-sharks-eat/

What if there were no sharks? Most of us would take to the seas a bit easier without any hammerheads, blacktips or bull sharks patrolling the waters below. The truth is, however, sharks help maintain a balanced ecosystem.

Does Swimming During Your Period Make You Shark Bait? News that a great white shark is making its way up the east coast brings up a question that many of us have wondered about since puberty: Are sharks more likely to attack women during their period?

Watch: Mating Crabs Busted by Sharks During a National Geographic expedition surveying sea life off the coast of Chile, an underwater camera attracted voyeuristic sharks.