Inequality is not unique to human groups and societies. Individuals with relatively little power possess a variety of ...

Add Yahoo as a preferred source to see more of our stories on Google. Animal nervous systems may lose their adaptive edge with climate change. PM Images/DigitalVision via Getty Images Human-driven ...

How do animal behavior researchers feel about the feelings of animals? A new survey helps to answer that question. The journal Royal Society Open Science published a survey of 100 researchers of ...

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

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 ...

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 ...

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 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 ...