A life shared with pets brings many emotions. We feel love for our companions, certainly, and happiness at the thought that we're providing them with a safe, healthy life. But there's another emotion, less often acknowledged, that can be nearly as po...

From the moment when we first open our homes – and our hearts – to a new pet, we know that one day we will have to watch this beloved animal age and die. The pain of that eventual separation is the cruel corollary to the love we share with them, and...

Scientists have long counseled against interpreting animal behavior in terms of human emotions, warning that such anthropomorphizing limits our ability to understand animals as they really are. Yet what are we to make of a female gorilla in a German...