Add Yahoo as a preferred source to see more of our stories on Google. Guest Opinion. Altruism is helping without a benefit and sometimes at a risk to one’s self. Animals helping others of their own ...

Wild orcas, also called killer whales, have been seen giving gifts to humans, approaching them either in boats or on the shore with an offering in their mouths — perhaps as an act of “kindness,” ...

Intelligent, tool-using, empathetic and self-aware: the distance between humans and other animals is not as great as you think ...

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 ...

There are few things more joyful, if occasionally nerve-wracking, than having a pet in your home. And plenty of people agree. According to the American Pet Products Association, around 94 million ...

In the movie Hoppers, scientists “hop” human consciousness into animal-like robots to talk to other species. We asked the experts their thoughts on how conceivable the plot is. Some scientists believe ...