Wildlife

Bull Sharks Can Swim In Both Salt And Fresh Water

Video | 00:44

Only one shark can survive in both salt and fresh water: the stocky and aggressive bull shark.

A Hammerhead's Metal Detector

Video | 00:39

A hammerhead shark's T-shaped head detects electric currents like those created by stingrays hiding on the ocean floor.

Alligators vs. Sharks

Video | 01:17

Scientists and researchers are mystified by the behavior of alligators preying on shark pups in estuaries.

Shark Night Vision

Video | 00:53

Sharks' eyes serve as a secret weapon when hunting at night, giving them close to a 360-degree field of view and night vision.

Five Things About Shark Sex

Video | 00:54

Multiple organs and aggressive biting may be normal behavior for mating sharks, but at least there's no brutal online dating.

Great White: Heavyweight Champ

Video | 01:01

The powerhouse great white shark, undisputed champion of the ocean, unleashes a variety of strategies to kill their prey.

Great White Shark Deaths

Video | 01:31

Tagged great white sharks lead researchers to discover their greatest cause of death off the coast of Southern California.

The Ganges River Shark

Video | 01:51

Thanks to a chance find on the docks along the Mumbai Fish Market, scientists believe the Ganges River shark is alive and well.

Toothless Sharks

Video | 00:47

While most sharks have razor-sharp teeth, the megamouth, basking and whale shark are filter feeders that prey on plankton.

Sharks are Living Longer

Video | 01:27

Sharks' supreme survival skills grant them long lives, but it turns out they might be decades older than scientists thought.

Only 66 unprovoked shark attacks were documented in 2018, significantly lower than the five-year average. The 66 unprovoked attacks represent half of the total recorded incidents, the remaining events include attacks that were provoked by human.

Shark Attacks Dropped in 2018

Video | 01:30

Only 66 unprovoked shark attacks were documented in 2018, significantly lower than the five-year average. The 66 unprovoked attacks represent half of the 130 total recorded incidents, the remaining include attacks that were provoked by humans.