Sharks are a group of elasmobranch fish characterized by a cartilaginous skeleton, five to seven gill slits on the sides of the head, and pectoral fins that are not fused to the head.

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Small dogs are more likely to have an extra row of teeth like sharks

Don’t Blame Sharks: Scientists Reveal Why More Hooked Tarpon Are Being Eaten

Fear the Tails, Not the Jaws, of These ‘Weirdo’ Sharks

Don't blame the sharks: Why more hooked tarpon are being eaten

Humans now kill 80 million sharks per year, 25 million of which are threatened species

Sharks can be deterred from beaches by catching and releasing them

Traditional shark nets are known as 'walls of death.' A new eco-friendly barrier uses magnetic fields to deter sharks instead of trap them.

Surprise Discovery Shows These Sharks Don't Need to Keep Moving

Hidden Heat: The Remarkable Evolutionary Secret Of Sharks

Why a surprising discovery, warming seas and the demise of the 'Meg' may spell trouble for more and more sharks

Sharks Have Very Low Mutation Rates, New Study Shows

Miami’s Close Encounters With Sharks: They May Be Closer Than You Think

Sharks Found Living in Sponges in Australia

Sharks on an Australian Golf Course Made a Watery Grave Like no Other

Great White Sharks Are Surging off Cape Cod

Reef Sharks Face Heightened Extinction Risk

Unlocking The Secrets Of Indonesia’s ‘Whip-Tailed’ Thresher Sharks

Megalodons Were Warm-Blooded—and It Was a Blessing and a Curse - The giant sharks likely warmed some of their body parts, helping them grow massive but leaving them vulnerable to environmental changes, a new study finds

Megalodon sharks may have become megapredators by running hot

Great white sharks have almost no interest in eating humans, study confirms