What are mandrills? Where do they live? What threats do mandrills face? Learn all about this 'old world monkey' in our expert guide ...

Fossils show that howler monkey ancestors were eating leaves 13 million years ago, shaping body size and evolution.

The natural and the social world shaped the evolution of each. Knowing whom to invite to dinner is as important as knowing ...

Scientists have identified a 3.3-million-year-old giant prehistoric monster crocodile species that likely hunted early human ...

In April 2025, the FDA announced plans to shift biomedical research for monoclonal antibodies and other medications away from animal testing toward new approaches. One year later, much speculation ...

The Trump administration is curbing animal experiments in response to shifts in public opinion, technological advances, years ...

Three monkeys died at a Hendry County primate facility, sparking criticism from animal-rights groups. The company says deaths ...

This trip to Tanzania and Rwanda combines two premier African wildlife experiences ("Big Five" safari & Mountain gorilla ...

The slow loris hardly looks dangerous with its huge, round eyes, soft fur, and tiny hands gripping tree branches; the animal ...

California treats most non-domesticated wildlife as restricted by default, which is just one reason why it has some of the tightest exotic pet laws in the country. With tightly controlled exceptions ...

Robert F. Kennedy Jr. eats steak for breakfast, and has been accused by family members of blending up mice and chickens to feed his hawks and cutting off a dead whale’s head to bring it home. But he ...

Returning rescued slow lorises to the wild may sound like a conservation success, but a new study shows it can turn deadly. Researchers tracked nine released animals and found that only two survived, ...