Cartilaginous fish have changed much more in the course of their evolutionary history than previously believed. Evidence for this thesis has been provided by new fossils of a ray-like shark, ...

WASHINGTON (Reuters) - You've heard of the Model T Ford, the famed early 20th-century automobile that was the forerunner of the modern car. But how about the Model T shark? Scientists on Wednesday ...

Almost everything paleontologists know about ancient sharks comes from their teeth. That’s because the animals had skeletons made of cartilage, which does not fossilize as easily as bone. So ...

Evolutionarily, the chicken follows the more primitive shark, skate and sturgeon. However, a genetic technique for manipulating the avian egg has now provided clues about fin development in these ...

A fishing trawler has pulled up a fascinating example of a living fossil. Frill sharks are one of the earliest types of sharks and date back 80 million years. Share on Facebook (opens in a new window) ...

A first ever video of “the most primitive of the modern sharks” in the wild was unveiled this week by Beneath the Waves, a research nonprofit devoted to shark conservation. The minute-long video, ...

This probably won’t be the last embarrassing story about the 2023-24 San Jose Sharks. “The team played primitive hockey,” Alexander Barabanov told RG.org in Russian recently. “You run around without ...