Sharks have been around for hundreds of millions of years, appearing in the fossil record before trees even existed. But what did they evolve from, are they 'living fossils', and how did they survive ...

Yet, before the first tree rooted itself in the ... Shark History Is A Tale of Continuous Evolution Sharks’ survival has been aided by the continuous refinement of their evolutionary toolkit ...

A Florida Keys commercial angler who was fishing with his son and another crewman stumbled upon an unexpected — and large — ...