樱桃视频

October 21, 2015

One-quarter of sharks and rays at risk of extinction

A quarter of the world's sharks and rays are at risk of extinction, according to a new assessment by the International Union for Conservation of Nature (IUCN).

October 21, 2015

Great white mystery: Expedition to unravel shark secrets

One of the most ambitious expeditions ever to tag great white sharks will set sail today off Cape Cod, Mass.

October 21, 2015

To give birth, sharks return to own birthplace, study says

A near 20-year study of female lemon sharks has discovered the species may wander far-and-wide over their life, but always return to the exact location where they were born to give birth.

October 21, 2015

New hammerhead shark species found off South Carolina

When new species are found near populated areas, they are often small and inconspicuous -- and not, for example, a hammerhead shark.

October 21, 2015

Ancient 'sea monster' swam like a shark

A massive marine lizard may have swum like a shark, new research suggests.

October 21, 2015

Inside the stomach of a mako shark

What do mako sharks eat? To find out, you have to look inside their stomachs

October 21, 2015

Double-headed shark fetus netted by fisherman

When a fisherman caught a bull shark recently off the Florida Keys, he came across an unlikely surprise: One of the shark's live fetuses had two heads.

October 20, 2015

Thousands of Eocene shark teeth found in Canadian Arctic

The stark, barren landscape of Banks Island in Canada has yielded an unexpected find more than 8,000 shark teeth that date back millions of years, and have now been described in a study

October 20, 2015

New 'walking' shark species caught on video

A new species of "walking" shark has been discovered in a reef off a remote Indonesian island.

October 20, 2015

Dwindling shark population worldwide affects ocean ecosystem

Throughout most of the world sharks are in trouble. Big trouble.