Sharks

The pores visible on the underside of this shark's snout are electrical field-sensitive ampullae of Lorenzini.

Magnets Help Keep Sharks Out of Fish Traps

Adding cheap magnets to the traps reduced shark and ray bycatch by a third and increased fish hauls by just as much, according to a new study

More like not-so-great white shark. Like today's sharks, prehistoric sharks sported a vast array of body sizes, shapes, and ornamentations.

Megalodon Wasn't the Only Impressive Shark in the Prehistoric Seas

No longer thought of as "living fossils," ancient sharks sported a crazy amount of variety

One of the meg's fearsome teeth, shown here in this extreme close-up.

The Real Science Behind the Megalodon

As <I>The Meg</i> hits theaters, dive into what we <i>really</i> know about this chompy predator

Guzmán and his team were only able to pinpoint the whale shark's whereabouts when it rose to the surface to feed.

What the Longest Known Whale Shark Migration Ever Tells Us About Conservation

Researchers in Panama tracked a specimen via satellite over an unprecedented 12,516 miles

Scientists Have a New Way of Knowing How Many Sharks Are in the Sea

The predators are elusive, but marine ecologists are finding more of them by analyzing the "environmental DNA" in ocean water samples

Massive Gathering of Mysterious Basking Sharks Found in Aerial Photos

In 2013, nearly 1,400 of the normally solitary filter feeders had a party off the coast of southern New England

Sir David Attenborough and His Crew Race to Film a Walking Shark

Step behind the scenes as Attenborough and his intrepid crew battle against the falling tide to capture footage of one of nature's most enigmatic creatures

A large female Greenland shark observed near the community of Arctic Bay, Nunavut.

The World's Most Ancient, Elusive Sharks Were Finally Caught on Video

Greenland sharks, which can live more than 400 years, reveal how little we know about life in the coldest oceans

An Atlantic sixgill pup found off the coast of Belize.

Scientists Identify New Species of Elusive Deep-Sea Shark

DNA analysis has shown that Atlantic-dwelling sixgill sharks are distinct from their relatives in the Indian and Pacific oceans

Humpback Whales

Mexico Establishes Largest Marine Protected Area in North America

The nation will fully protect 57,000 square miles around the Revillagigedo Islands from fishing and resource extraction

A blue shark

Scientists Search for the Most Dangerous Places to Be a Shark

In a bid to stop the populations from dwindling, scientists are turning to big data

Since 2016, it has opened up its expeditions to the public.

You Can Help Scientists Study Great White Sharks Off the Coast of Cape Cod

The Atlantic White Shark Conservancy is offering boating expeditions open to the public now through October

A bell from the doomed ship

After 72 Years, Wreck of USS Indianapolis Found, Closing Chapter on Tragic Tale

After the ship was sunk by a Japanese torpedo, surviving crew members had to battle dehydration, exposure and deadly shark attacks

The fin of a blacktip shark glides through the waters in the Bahamas.

Ten Things We've Learned about Sharks Since Last Shark Week

In light of Shark Week 2017, here are some revelations about the fearsome fish we’ve made in the past year

Lionfish Are a Plague. Can Training Sharks to Eat Them Work?

Lionfish, which are native to the Indo-Pacific but were accidentally introduced to the Caribbean, are decimating native fish species

Surfers take to the water in Montauk, where a shark nursery was discovered offshore last summer.

Can Social Media Give Sharks a Better Reputation?

A nonprofit called Ocearch is naming tagged sharks and giving them Twitter and Instagram accounts to ease fears and aid in conservation

A Great White Can Go Through 20,000 Teeth in Its Lifetime

While a great white shark's 300 serrated teeth are an amazing hunting adaptation, what's even more amazing is their replaceability

A new study on grey reef sharks turned up a few surprises.

Ocean Preserves Keep Fishing Boats Away from Grey Reef Sharks

Scientists tracked hundreds of reef sharks to find that massive marine refuges can work—with one caveat

Watch Rare Footage of the Mysterious Ghost Shark Gliding Through the Deep

Researchers spotted the grey-blue creature off the coast of California—far from its usual haunts in the Southern hemisphere

A hammerhead caught on a longline.

Is It Too Late to Save Red Sea Sharks?

With anti-fishing laws virtually unenforced, sharks off the coast of Saudi Arabia are being fished to death

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