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

Feral pigs are spreading rapidly across the U.S., doubling or tripling their range since 1982, as shown by USDA data. Their ...

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

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

This video looks back at the surprising era when pigs were far more powerful and formidable than the animals seen today.

Populations of brown bears and wolves are burgeoning in Greece, thanks to conservation efforts. But not everyone is ...