Sharks

"Exceptionally preserved" fossils of an ancient shark that lived alongside the dinosaurs has finally revealed what the predator looked like — and why it may have gone extinct.

Filmmakers have captured hundreds of hammerhead sharks circling a volcanic island off Costa Rica for a new Netflix wildlife series.

Juvenile bull shark numbers have significantly increased in Mobile Bay, Alabama, as waters warm — but swimmers don't need to worry, researchers say.

Researchers have spotted an atypical gathering of rare prickly sharks around a seamount off Panama.

Megamouth sharks were first discovered in 1976 and fewer than 280 have ever been seen, meaning we know very little about this enigmatic species.

Disturbing footage shows the moment a single orca chased down a great white shark and killed it, then swam away with the shark's liver in its jaws.

A shark instantly killed a stranded pygmy sperm whale on New Zealand's Māhia Peninsula, where officials had warned about increased shark activity.

The number of unprovoked shark attacks spiked slightly last year, while the number of fatal bites doubled compared with the previous year. However, the statistics are not as concerning as they initially sound, experts say.

Two new ancient shark species have been uncovered in Mammoth Cave with teeth that "look like they just came out of the shark's mouth yesterday."

A newborn great white shark has been seen in the wild for the first time, and the discovery could help scientists finally solve a longstanding mystery about the threatened species.