The Physicians Committee for Responsible Medicine filed a complaint with the National Institutes of Health’s Office of ...

Scientists studying camera trap footage from Jicarón Island spotted something unusual: a capuchin monkey carrying an infant howler monkey on his back. Now, they’re trying to learn what it means.

Researchers have discovered a new molecular process that occurs when donor hearts are preserved in cold storage which contributes to failure after transplant, a study in both humans and animals shows.

In the lush forests of Côte d’Ivoire’s Taï National Park, a grunt followed by a hoot might not just be noise—it might be a ...

The scientists nicknamed one capuchin kidnapper Joker because the scar at the side of its mouth reminded them of the "Batman" villain.

Scientists on Panama's Jicarón Island were mystified by photos and videos of young male capuchins carrying howler monkeys on their backs for days at a time ...

The Greensboro Science Center uses creative enrichment tools to mimic natural behaviors in animals, enhancing their physical and mental well-being.

Plus, researchers could hear adult howler monkeys calling back and forth with the infants, who would sometimes try to crawl away. Camera footage showed one occasion when an adult howler came and tried ...

A baby howler monkey clung to the back of an older male monkey, its tiny fingers grasping fur. But they're not related and ...

Want to know if you'll make it to 100? Try naming as many animals as you can in 90 seconds. It might sound like a silly test, ...

Kanzi showed apes have the capacity for language, but in recent years scientists have questioned the ethics of ape experiments.

The truth is clear: Animal models aren’t just helpful; they’re irreplaceable. They remain central to understanding the ...