Sharks Can Remember What They've Learned For A Year, Probably Longer

Last year, we found out that sharks have social personalities. Now comes evidence that they can identify shapes and optical illusions — and remember what they've learned for a full year, and maybe even longer. » 2/26/15 11:20am 2/26/15 11:20am

Incredibly Rare And Mysterious Deep-Sea Megamouth Shark Washes Ashore 

There have been fewer than 100 confirmed sightings of the megamouth shark, an elusive deep-sea species that uses its huge maw to trap tiny bits of plankton and krill. So when a 15-foot specimen washed ashore in the Philippines this week, scientists were more than overjoyed. » 1/29/15 6:00pm 1/29/15 6:00pm

Terrifying "Living Fossil" Caught Off The Coast Of Australia

Frilled sharks have been around for 80 million years, but they are very rarely seen. So it was quite the event when one of these "living fossils" was snared in an Australian fishing net last week. » 1/21/15 10:20am 1/21/15 10:20am

Record-Breaking Sperm Storage In Sharks Explains This "Virgin Birth"

Back in 2012, a baby brownbanded bamboo shark was born in tank even though the mother hadn't been exposed to a male for 45 months. Scientists have now figured out how this so-called "virgin birth" was possible. » 1/15/15 6:30am 1/15/15 6:30am

The First Photo Ever Taken Of An Oceanic Shark Giving Birth

Marine biologists working off the coast of the Philippines have captured an image of an incredibly elusive sight — a free-swimming oceanic shark giving birth. » 1/12/15 9:20am 1/12/15 9:20am

Megalodon Molar Discovered in Santa Cruz Mountains

The Santa Cruz Mountains seem like an unlikely spot to stumble upon a 10 million year old tooth from a 60-foot shark that lived during the Cenozoic Era ... but that's exactly what happened to scientist Giancarlo Thomae this week. » 12/26/14 2:40pm 12/26/14 2:40pm

Rare Shark Spotted In Russian High Arctic, Researcher Freaks Out

After staring at a barren seafloor for nearly three hours, National Geographic's Alan Turchik couldn't believe his eyes when a rare deep-sea Greenland shark suddenly drifted across the screen. (Warning: an excessively long stream of bleeped-out expletives to follow) » 12/17/14 6:20am 12/17/14 6:20am

Sharks And Cats Combine To Form The Most Adorably Terrifying Creatures

On the list of questions we've never thought to ask ourselves is what kind of critter you'd get if you crossed cats with various species of sharks. Fortunately, artist Brynn Metheney has asked and answered that question with these marvelous shark-cat creations. » 11/21/14 6:00pm 11/21/14 6:00pm

Genius Surfs Dead Whale, Gets Stranded When Sharks Appear All Around Him

On Saturday afternoon, a man in Western Australia decided to board the carcass of a dead whale that had been floating in the water for several weeks, "surfing" it for fun—until he noticed that the waters all around him were spotted with hungry sharks. » 11/02/14 6:44pm 11/02/14 6:44pm

Do Sharks Have Personalities?

The popular conception of sharks is that they're these mindless killing machines, perpetually on the hunt for the next victim. But a new study shows that in at least one species, individual sharks possess different personalities — whether they be mopey loners or social butterflies. » 10/02/14 9:00am 10/02/14 9:00am

Watch A Pod of Orcas Stalk, Attack, and Feast on A Tiger Shark

They don't call them killer whales for nothing. In this gorgeous footage from filmmaker Edwar Herreño, a pod of six orcas make a meal out of a tiger shark in the waters off Costa Rica. » 9/10/14 7:06pm 9/10/14 7:06pm

Vintage Shark Illustrations Are Jaw-Droppingly Gorgeous

The Biodiversity Heritage Library works to make biodiversity-related literature freely available to the world. They've got thousands of image libraries to peruse, but one of the richest is their collection of shark illustrations, with more than 370 pages. Here are a few of our favorites. » 8/27/14 6:08pm 8/27/14 6:08pm

How Good Is A Shark's Eyesight?

Some of the shark senses — particularly smell, taste, and hearing — are famously sharp. But around one sense, vision, the debate has been much more muddled. So just how well does a shark really see? » 8/21/14 4:20pm 8/21/14 4:20pm

Ask A Marine Biologist All Your Questions About The Lives Of Sharks!

Biologists Lisa Natanson and Cami McCandless are here to take all our questions about sharks, their biology, their environments, and their behavior. » 8/21/14 10:05am 8/21/14 10:05am

Watch This Goliath Fish Take Down A Shark In One Swift Move

Sportfishers off the coast of Bonita Springs Florida captured the footage earlier this month. The shark caught on the line is a blacktip shark, the big fella an appropriately named goliath grouper. » 8/20/14 3:03pm 8/20/14 3:03pm

The Shark Family's Weird Cousins That Live in the Deep Water

The Goblin Shark (above), the Frilled Shark, and the Megamouth Shark are the shark equivalent of that cousin you don't see that much, but is always brought up at family dinners. Like, "I don't even know about Mary. Her mother says she grew to 20 feet and can unhinge her jaw." Read more about these sharks below. » 8/14/14 10:06pm 8/14/14 10:06pm

The Fastest Shark In The World Is Also An Incredible High Jumper

Meet the shortfin mako shark! Not only can this mackerel shark hit a burst of speed of up to 46 MPH, it has also got an impressively athletic high jump that can propel it up to 30 feet in the air. Read all about it (and check out the video) after the jump! » 8/14/14 8:25am 8/14/14 8:25am

Annoyed by Fake Shark Documentaries? Here's A Double Helping Of Reality

Well, Shark Week has done it again. "Shark of Darkness: Wrath of Submarine," about a mythical 30-foot great white prowling South African waters, is another fake documentary. As an antidote, each day this week we'll be sharing videos about sharks that contain actual facts. » 8/11/14 5:30pm 8/11/14 5:30pm

Shark Week Lied to Scientists to Get Them to Appear in "Documentaries"

See What It's Like To Be Hunted By A Shark -- From the POV of a Seal

Last year, a research team from the Woods Hole Oceanographic Institution deployed a robotic "SharkCam" off the coast of Mexico's Guadalupe Island to film great white sharks in the wild. But the sharks had other ideas. » 8/05/14 1:03am 8/05/14 1:03am