Think sharks only live in the ocean? Think again.
Feared by most, loved by some and hunted by many, sharks are one of the most mysterious groups of creatures roaming the Earth today. Defined as a fish with a full cartilaginous skeleton and a sleek, streamlined body, a shark can range in size from the two foot pygmy shark, to the colossal 50-foot whale shark.There are more than 250 different species of sharks currently identified, making it one of the most diverse animal genera on the planet. Sharks are found in every major body of saltwater in the world, but are more common in warmer waters. There are a small number of shark species that do thrive in fresh water, and certain sharks have been known to venture from their saltwater homes to major freshwater lakes and rivers.Most members
One of the toothy stars of "Shark Week" has just phoned home after five months at sea, revealing that this longfin mako shark was a prolific and deep-diving swimmer.
Statistically speaking, sharks pose very little threat to humans. So why are people so afraid of the animals?
Researchers from across the globe recently teamed up to accomplish what might seem like an impossible (and scary) task: counting as many of the ocean's sharks as possible.
Fourth of July weekend is a popular time to hit the beach, but this year, vacationers may not be the only ones swarming the waters off North Carolina.
North Carolina's recent bevy of shark attacks are the result of many diverse factors, according to experts.
In a first-of-its-kind project using cameras mounted onto the fins of deep-sea sharks, researchers have made surprising discoveries about what keeps these mysterious creatures afloat.
Researchers at the University of Hawaii and the University of Tokyo studied sharks' swimming habits using fin-mounted cameras.
A trip to the beach turned terrifying for two young people on Sunday (June 14) when each was attacked by a shark while wading in waist-deep water off the coast of Oak Island, North Carolina.
Researchers unearthed several giant vertebrae from a giant shark that trolled the seas about 100 million years ago.
At 3,456 pounds (1,570 kilograms), a great white shark named Mary Lee may be one of New York's largest tourists.
Scientists have identified a pocket shark that was collected from the Gulf of Mexico, only the second specimen in this genus ever reported, they say. Here are images of the teensy shark.
This week, ocean explorers mourned the loss of a legend in their field: Eugenie Clark, a marine biologist and authority on sharks.
Great white sharks may have an even more delayed adolescence than humans, not reaching sexual maturity until they are in their second and third decades, new research shows.
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