Sharks

Galapagos sharks swim near Maui, Hawaii.

Discovery Channel's 'Shark Week' Is Packed With Misinformation and Junk Science

Scientists watched 202 episodes and found them filled with unreliable information and white male experts named 'Mike'

SharkGuard takes advantage of sharks’ “sixth sense”—their ability to detect electromagnetic fields using specialized organs called ampullae of Lorenzini.

An Electric Pulse Could Scare Sharks Away From Fishing Hooks

A new device could reduce bycatch of blue sharks by 91 percent and pelagic stingrays by 71 percent, research suggests

A tiger shark swims above seagrass.

Tiger Sharks Carry Cameras to Help Scientists Map Seagrass

A new study found what might be the world's largest seagrass ecosystem: a 35,500-square-mile meadow in the Bahamas

Nat Drummond's surf ski

Shark Attacks Teenager Paddling Off Australian Coast

The shark bit a hole through the boat, but the 19-year-old was unharmed

Shark skin is made of tiny, stiff segments of overlapping, textured dentin and enamel. Shark skin’s distinctive texture gives sharks greater efficiency moving through the water.

Shark Skin-Inspired Materials Have a Long Way to Go Before They Work Like the Real Thing

The predator's distinctive texture is the envy of engineers trying to maximize hydrodynamics

A pod of killer whales swims together in Chatham Strait, Alaska. 

Video Footage Captures Orcas Killing Great White Sharks

The predation could explain why the sharks have been locally declining in recent years

An epaulette shark in the South Pacific

This Shark Can Walk on Land to Survive Its Extreme Habitat

Epaulette sharks could help scientists understand how animals respond to harsh conditions, including those caused by climate change

Chilean devil rays swim in the Atlantic Ocean near the Azores. 

What Are Scientists Learning About the Deepest Diving Creatures in the Ocean?

Animals-turned-oceanographers are helping biologists find out what they do when they get to the cold, dark depths

Located alongside New Jersey’s southernmost point, Cape May is a stunning Victorian shore community that once played a role in guiding Black enslaved laborers to freedom.

The 15 Best Small Towns to Visit in 2022

From the alleged birthplace of Paul Bunyan to the original gateway to Yellowstone, these towns are buzzing with activity

Researchers used the teeth of 13 megalodon sharks and 20 modern great white sharks to analyze dietary signatures and their trophic levels or where they fit in the food chain. (Pictured: a megalodon tooth on the left next to a great white shark tooth on the right)

Great White Sharks May Have Driven Megalodons into Extinction

Scientists analyzed zinc isotopes in fossilized teeth and found both sharks may have competed for the same food

A 2015 expedition found two species of sharks living in the hot, acidic water near Kavachi, thus earning it the nickname "Sharkcano."

Trending Today

NASA Snaps Photos of Underwater 'Sharkcano' Erupting

Kavachi, a submarine volcano in the southwest Pacific Ocean, is home to several species of sharks and fish that can withstand the extreme environment

Whale sharks are the largest fish on Earth.

Cargo Ships Are Killing Whale Sharks

New research shows these gentle giants are often on a collision course with large ocean vessels

Greenland Sharks are found in the cold deep-water habitats of the Arctic and North Atlantic Oceans about 2,200 meters (about 7,200 feet) below the surface.

A Brain Infection Likely Killed 100-Year-Old Greenland Shark Washed Ashore in England Last Month

It is the first known case of meningitis in the species

Draughtsboard sharks apparently snooze with their eyes open or closed depending on the amount of surrounding light.

Sharks Apparently Do Sleep, Even With Their Eyes Wide Open

Scientists observed sleep in draughtsboard sharks by analyzing the animals' metabolism and posture

Reconstruction of a full-scale megalodon and a set of teeth at the Museo de la Evolución de Puebla in Mexico.

The Biggest Megalodons Likely Lived in Cold Waters

The common idea that the giant sharks could reach over 60 feet in length should be applied mostly to populations that lived in frigid environments

The second most common species the researchers identified was the silky shark, a vulnerable species that is in decline worldwide. 

Endangered Shark Meat Might Be Hiding in Your Pet's Food

Researchers found about one third of animal feed samples taken in Singapore contained shark DNA

Only in recent decades have researchers found that the fish have been gliding through the sea floors for hundreds of millions of years.

Rare Baby Ghost Shark Caught in New Zealand's Chatham Rise

There are about 52 known species of chimaera, half of which were discovered in the last two decades

Researchers attached green LED lights along the gillnet float line to keep unwanted marine animals from getting stuck.

Innovation for Good

Lit-Up Fishing Nets Dramatically Reduce Catch of Unwanted Sharks, Rays and Squid

Decorated nets entrapped fewer undesirable animals without significantly impacting the amount of target fish caught

A tiger shark swims in the Bahamas. Over the past several decades, the predators ventured farther north in the northwestern Atlantic Ocean.

Some Tiger Sharks Are Migrating Farther North Due to Climate Change

The predator’s movements in the Atlantic Ocean could scramble ecosystems and endanger the sharks by sending them outside marine protected areas

A CT scan of the spiral intestine of a Pacific spiny dogfish shark (Squalus suckleyi). The organ begins on the left and ends on the right.

Innovation for Good

Ten Scientific Discoveries From 2021 That May Lead to New Inventions

From nanobots to cancer treatments, nature inspires a wide variety of innovations

loading icon