From packs of wolves to prides of lions, scientists are uncovering what really makes group hunting work — and where cooperation starts to break down. Across North America and Eurasia, you’ll find ...

Adaptability is the trait that, before all others, allows a species to survive when its environment is changing. At the end of the last Ice Age, grey wolves turned to different prey, allowing them to ...

Add Yahoo as a preferred source to see more of our stories on Google. A male lion photographed in Hwange National Park, Zimbabwe. Whenever a lion or elephant or some other animal that has been named ...