The end of the Cretaceous Period, 66 million years ago, marked the dramatic extinction of the dinosaurs. Until now, our ...

Highly valued economically, ecologically and culturally, the white oak (Quercus alba) is a keystone forest species and is one ...

Some were the size of a dog. Others were as large as polar bears. A newly-discovered fossil of the ferocious hyaenodont is ...

This is the beginning of a reintroduction program that will repatriate bison to territories across the U.S.,' said Director ...

Usually, when a creature is considered extinct, it's thought to be gone forever. But that's not true of this species, which ...

Genetic modification is the only credible path to restoring the blight-wracked American chestnut. Bruce Beehler is a ...

The newer variant of avian influenza that recently infected dairy cattle in Nevada has a genetic change that’s thought to ...

Highly valued economically, ecologically and culturally, the white oak (Quercus alba) is a keystone forest species and is one of the most abundant trees across much of eastern North America. It also ...

An 11,000-year-old Indigenous settlement found in Saskatchewan reshapes the understanding of North American civilizations.

Scientists reveal a never-before-seen species of leopard-size apex predator that lived in lush forest 30 million years ago.

Fossilized teeth from two ancient megafauna suggest they roamed Brazil 3,500 years ago. The find “opens the door to rewrite South American history.” ...

How Thomas Jefferson’s quest to prove America’s wildlife was bigger and badder and better than anywhere else led him to face ...