For decades, scientists have been unable to explain the annual disappearance of the world's second biggest shark. Now, answer in hand, experts are "really blown away."

From a reported 270,000 sharks fished daily to 106,000 cans of soda consumed every 30 seconds, brain-boggling measures of human consumption have been made visual--just in time for Earth Day.

In just a short time, the 41st megamouth shark ever found went from swimming in Philippine waters to simmering in coconut milk.

A tooth-studded, four-million-year-old fossil discovered in Peru has taken some of the bite out of the great white shark's supposedly menacing ancestry, a new study finds.

Leashed to a stick like a neglected puppy, the youngest known wild whale shark was rescued Saturday in the Philippines—perhaps revealing the area to be crucial to whale sharks' survival. With video.

Spotters have recorded more than 470 great white shark sightings in five years at South Africa's False Bay beaches. Thanks in part to the spotters' alerts, there have been no related fatalities.

The new ocean update to Google Earth allows anyone to view the seafloor and wildlife under the waves in pictures, video, and maps.

Some assumptions about the evolution of jawed vertebrates are "completely wrong," according to a new analysis of a 415-million-year-old fish-like animal.

Costa Rica's Cocos Island National Park, nicknamed "Shark Island," has what might be the highest concentration of sharks anywhere. But even here, sharks are vulnerable.

Economies built on fishing shrinking stocks of shark are putting some Baja fishers in a precarious place.

A skinny saw shark, a swell shark that looks like it swallowed a Frisbee, and a river shark are among the oddities that have surfacing in a new study.

Identified by DNA evidence, the newly named fish increase Australia's known shark and ray species by a third.

The U.S. is likely to grant national-monument status to Pacific island regions that together are larger than Alaska and Texas combined—a "great choice," conservationists say, if the areas are actually protected.

The megalodon's bite had enough force to crush a small car, although its teeth probably wouldn't have been up to such a task, a scientist says.

Unprecedented footage captures a great white shark off the coast of South Africa breaching the water's surface to snare a seal during nocturnal hunting.