Species diversity is changing globally and locally, but the complexity of ecological communities hampers a general understanding of the consequences of animal species loss on ecosystem functioning.

Fifty years ago, Princeton University ethicist Peter Singer made the case that humans assume they're morally superior to other animals and that their actions against them are justified. At the time, ...

Doris Lin is an animal rights attorney and the Director of Legal and Government Affairs for the Animal Protection League of New Jersey. Her focuses as an expert writer include animal rights and ...

Animals play important roles in human economy, society and culture. They can be valuable economic resources, beloved companions, destructive nuisances or members of complex natural systems. Animal ...

The relationships among people and animals are an integral part of our society, economy and culture. Animals provide us with food, clothing, recreation and companionship. Explore the biology of ...

The animal kingdom is full of predators and prey, with some predators being extraordinary killers. But there are many ways to catch a meal and many ways to define what makes a successful predator. So ...