In a successful transplant in a man with brain death, scientists prevented the immune system from attacking a genetically ...

Researchers transplanted a single-edit α-Gal knockout pig kidney and thymus into a brain-dead recipient, followed by 61 days ...

As anyone within earshot or eyesight of major media outlets is aware, the man considered the leader of the free world behaved ...

LEVEA, Greece — It was a shocking sight for the farmer — three of his sheep lying dead on the ground, signs of their mauling ...

Brown bears, Greece’s largest predator, have made a remarkable comeback. Their numbers have increased roughly fourfold since ...

Dogs evolved from gray wolves, but scientists debate exactly where, when and how many times dogs were domesticated. Ancient DNA evidence suggests that domestication happened twice, in eastern and ...

Greece’s large predator comeback fuels conflict as rising bear and wolf encounters challenge rural safety while conservation ...

The Smithsonian's National Zoo and Conservation Biology Institute announced four cheetah cubs were born last month to ...

A popular farm that has over 30 different breeds of animals will kick off its Christmas Cracker event this week.

Brown bears, Greece’s largest predator, have made a remarkable comeback. Their numbers have increased roughly fourfold since ...