Microsoft and our third-party vendors use cookies to store and access information such as unique IDs to deliver, maintain and improve our services and ads. If you agree, MSN and Microsoft Bing ...

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 ...

POLARIS has long helped mariners find their way through our planet's seas and oceans by pointing the way north.

“By contrast, the much earlier rise of shark-like fishes within jawed vertebrates is poorly documented.” For the past several years, Maisey and colleagues have investigated a Doliodus problematicus ...