Despite multiple mass extinctions, the frilled shark has managed to thrive for 100 million years. Today, it remains one of ...

Our understanding of shark evolution may need to be rethought following the discovery of a 410-million-year-old ancestor of this group of fish. Sharks are cartilaginous fish, meaning their skeletons ...

Whether you find sharks more fascinating or frightening, new research reminds us of an undebatable truth: These aquatic hunters used to be way more terrifying. Terrifying as in: nearly 32 feet long, ...

Researchers investigated how the jaw shape of sharks has changed over the course of evolution. Their conclusion: in the most widespread shark species, the jaws show relatively little variation in ...

Fossilized remains of acolossal shark discovered in northern Australia have upended scientists’ understanding of when oceanic ...

Research has shown that pelagic sharks tend to have longer, narrower fins compared to their benthic relatives, which typically possess shorter, rounded fins. A key to understanding how sharks navigate ...

More than 500 different shark species roam Earth’s oceans: from zippy little cookie-cutter sharks, to the iconic great white, to nightmarish goblin sharks, to 25-foot-long, filter-feeding basking ...

Hybrid sharks have been discovered swimming in the waters off Australia's east coast. The finding may be driven by climate change, a research team says, suggesting such discoveries could be more ...

Deep below sunlight, a rarely seen frilled shark reveals ancient anatomy, slow reproduction, and mysterious habits, offering ...

A newly described fossil from northern Australia reveals an 8 meter mega-shark that hunted in the age of dinosaurs, long ...

Sharks began evolving differently after the extinction of many dinosaurs, possibly caused by an asteroid strike about 66 million years ago. Scientists from Uppsala University in Sweden studied how ...

More than 100 million years ago, scientists say, warming seas and reduced oxygen may have sent some sharks higher into the water column, where they evolved to be fierce and hungry. By Jeanne Timmons ...