Sharks have roamed the open seas for close to half a billion years and have witnessed the Earth’s evolution from a primordial ...

A group called acanthodians, or spiny sharks, evolved more menacing mouths with jaws. While these fish, the first true jawed fish, reached no great size during the Silurian, they were on their way ...

Sharks were never far from our minds as we grew up on the beach in Adelaide. Although attacks were rare, they were real. My ...