Six-month-old babies show stress responses when viewing images of snakes and spiders, long before they could have learned ...

Prairie dogs have a word for “human.” They talk about us in a language with nouns, adjectives, and variable dialects — even though, to most of us, their words sound like unintelligible squeaks. I ...

New research shows humans may have brought wolves to a remote island, fed them, and cared for them thousands of years ago.

A ritual dance honoring Yoruban ancestors is one of the countless examples of human culture. Jorge Fernández/LightRocket via Getty Images Of the 8.7 million species on Earth, why are human beings the ...

Just as humans have historically gathered during winter, many animals do the same. Animals may not be exchanging presents or ...

As human-caused sound gets louder around the world, some animals change their behavior and many creatures suffer health issues Olivia Ferrari As human noise increases around the world, some animals ...

Here’s what you’ll learn when you read this story: With more than 100,000 people in need of an organ transplant in the U.S. alone, scientists have turned toward perfecting human-animal chimeras as a ...

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 ...

In the largest study of its kind, scientists have accurately documented the massive change in animal morphology over the last 1,000 years, with domesticated animals growing larger across the board and ...

Animal rights groups celebrate, but the Trump administration is light on specifics about phasing out federally funded medical ...