New research reveals sharks and rays have been declining for 45 million years, offering key insight into today’s accelerating ...

Around 115 million years ago, northern Australia’s seas hosted a colossal shark that rewrites what we thought we knew about ...

A team of international researchers led by the University of Vienna investigated the development of shark and ray ...

"Cartilaginous fish, including present-day sharks and rays, have been on our planet for over 400 million years. They have ...

Around 115 million years ago, the seas off northern Australia were home to a gigantic ancestor of Jaws. Fossils of this ancient mega-predator reveal ...

A team of international researchers led by the University of Vienna have investigated the development of shark and ray ...

Rising deep-ocean oxygen levels likely opened up new marine habitats and spurred speciation among early vertebrates, according to a new study in the Proceedings of the National Academy of Sciences.

The earliest bones, however, were very different from human skeletons today. In the prehistoric past, bone was more like concrete, growing on the exterior of fish to provide a protective shell. But ...