Animal-welfare science tries to get inside the minds of a huge range of species — in order to help improve their lives. Credit...Photo Illustration by Zachary Scott Supported by By Bill Wasik and ...

When Dr. Barbara Natterson-Horowitz was asked to treat an exotic little monkey with heart failure at the Los Angeles Zoo, she learned that monkeys can suffer heart attacks from extreme stress — just ...

A dog gives a protective bark, sensing a nearby stranger. A cat slinks by disdainfully, ignoring anyone and everyone. A cow moos in contentment, chewing its cud. At least, that’s what we may think ...

It’s a question that has puzzled thinkers for centuries: Are we humans alone in our pursuit of fairness and the frustration we feel when others get what we want? In recent years, evolutionary ...

ALBANY, N.Y. (NEWS10) — The morning after a fresh snowfall, you’ve probably once walked out of your home and spotted paw prints meandering around your yard. What animal could have trekked through ...

When a total solar eclipse transforms day into night, will tortoises start acting romantic? Will giraffes gallop? Will apes sing odd notes? Researchers will be standing by to observe how animals' ...

In The Fate of the Elephant, wildlife biologist Douglas H. Chadwick presents a grey portrait of the modern elephant—a creature colossal yet defenseless, imposing yet on the verge of extinction.

The Virginia opossum, according to John Smith—that explorer of all things Virginia—“hath a head like a Swine, & a taile like a Rat, and is of the Bignes of a Cat.” Had Smith looked closer, he might ...