Types of Sharks
All About Sharks
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Meet the Buzzsaw Killer
This 290 million year old prehistoric shark is best known for its intimidating 360 degree spiral of serrated teeth.
Ever Wonder How Sharks Communicate?
In 2016, researchers discovered that sand tiger sharks, far from being lonely hunters, exhibit social behavior typically seen in mammals.
Shark vs. Dolphin: Who Wins?
While this is not a situation that occurs too often, sharks and dolphins have been known to clash in quite a few places around the world.
Find Out What Happens
DO YOU KNOW THE TOP 10 LARGEST SHARKS?
Sharks come in all shapes and sizes, but these 10 tip the scales. Find out which sharks make our Top 10.
Count Them Down
INTERACTIVE TIMELINE OF SHARK EVOLUTION
Sharks appeared nearly 200 million years before the first dinosaurs! Trace the evolution of sharks.
Explore the Timeline
The Sinister Looking Goblin Shark
Some Sharks Snatch Prey Right Off the Beach
6 Threatened Shark Species
The Wobbegong Waits...Then Ambushes
How Sharks Hunt At Night
Dimetrodon Feasted On Prehistoric Sharks
News & Discoveries
Results from a small clinical trial suggest that the anti-parasitic drug suramin can diminish autism spectrum disorder symptoms, but more rigorous research is needed.
The Arctic is warming twice as fast as the lower latitudes, and scientists report sea ice across the Nares Strait just collapsed two months earlier than normal.
Botulism infection results in muscle weakness, blurred or double vision, dry mouth, and slurred speech — and can be fatal if left untreated.
Types of Sharks
Click to find out more about a type of shark.
Shortfin Mako Shark
Great White Shark
Sand Tiger Shark
Blacktip Reef Shark