Guest Opinion. Altruism is helping without a benefit and sometimes at a risk to one’s self. Animals helping others of their own species makes sense to perpetuate the species or help continue their own ...

The persistent presence of humans and their infrastructure in U.S. national parks has yielded dramatic changes in the behaviors of large animals who live there, a new study has found. Even during the ...

With dexterous childlike hands and cheeky “masks,” raccoons are North America’s ubiquitous backyard bandits. The critters are so comfortable in human environments, in fact, that a new study finds that ...