More than 4,500 wild animals tracked by GPS across six years changed how they used their habitat the moment people arrived, ...

Heat waves do more than just generate high temperatures and cause excessive sweat. Research shows that heat affects animal ...

New research suggests beluga whales can recognize themselves in mirrors, a cognitive ability previously demonstrated in only ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Same-sex sexual ...

A tiger walks the same worn groove along the edge of its exhibit like a broken record. A parrot methodically plucks out its own feathers until bare skin shows through. To a casual visitor, these can ...

A study by Spanish researchers suggests same-sex sexual behavior among mammals − especially primates − is not only common and adaptive but supports social relationships and reduces conflict. Their ...

Mule Deer crossing the road in front of a car in Rocky Mountain Arsenal National Wildlife Refuge, in Denver. (Dr. Dave Kenny via SWNS) By Stephen Beech Animals in the wild are changing their behavior ...

Sealed surfaces, artificial light and constant noise: What is part of everyday life for humans poses major challenges for other animals. A new international review conducted by researchers from ...

People talk to their pets every day: offering praise when they’re good, reassurance when they’re confused and affection when they’re cuddling. We also speak to animals when they misbehave. “Why did ...

A new study tracing the evolution of same-sex sexual behavior in mammals, using phylogenetic analyses, suggests these behaviors may have evolved in part to strengthen social bonding and relationships.

Being conscious basically means being awake, aware, and able to perceive one's thoughts, feelings, and surroundings. It represents what is called a "first-person" subjective experience. Behavioral ...

I've been studying animal behavior for many decades and I've long been interested in possible sources of bias in my field and others. I've been concerned for a number of reasons, including: our ...