Sharks

Researchers in China have discovered fossilized fragments of an ancient shark-like fish — the oldest jawed vertebrate ever discovered.

A deep-sea fisher in Australia recently reeled in a creepy-looking shark with bulging eyes and a human-like smile. Experts are unsure exactly which species it belongs to.

A megalodon tooth found suspiciously close to two fractured whale vertebrae may reflect one small whale's heroic escape from the jaws of a giant prehistoric shark.

Epaulette sharks can use their fins to "walk" underwater and even on dry land.

Researchers have created a 3D computer model of a megalodon shark based on fossilized teeth and vertebrae, giving us our best look yet at the ancient behemoths.

A strange shark caught off Belize in the Caribbean was likely a Greenland shark or Greenland shark hybrid, according to a new study.

On the remote Southern coast of Papua New Guinea, scientists encountered something amazing: a walking shark.

New analysis of fossil skulls from sperm whales that lived millions of years ago shows that numerous species of ancient sharks preyed on the whales … and ate their faces.

A pair of killer whales has been terrorizing great white sharks near Capetown, slaughtering at least eight sharks over five years and eating their livers, scientists say.

A dead baby thresher shark that washed up on a beach in the U.K. might have been aborted by its mother. Analysis of the juvenile's remains revealed that it had not fully developed.

For millions of years, megalodon was the top predator in marine ecosystems. Then great whites came along and ruined everything.

A malformed megalodon tooth hinted at an injury that caused it to develop with a split down the middle.

A NASA satellite recently spied the underwater eruption of a submerged volcano where sharks make their home.

There were potentially even more sharks in the swarm.

The predatory fish, nicknamed 'Ironbound', is on his way north to Canada.

Florida is sometimes referred to as the "shark tooth capital of the world," and new research documents the now-extinct species that have been discovered there.

An animal autopsy of the deceased Greenland shark that washed ashore in England revealed that it had meningitis.

Scientists tagged six great white sharks near Mexico's Guadalupe Island to monitor their social interactions. It turns out sharks love to hang out with their buddies.