A chimpanzee surprised onlookers by picking up a dropped toy and returning it to a visitor, highlighting the animal's curiosity and problem-solving abilities.

Bumblebees figured out how to get to an out-of-reach reward in a new study, proving they can problem-solve on the fly. (Mikko Törmänen/University of Oulu) For new discoveries, everyday mysteries, and ...

World Chimpanzee Day 2026 is observed every year on July 14. Here are some highlights of world's five rarest chimpanzee groups, the threats driving their decline, their evolutionary link with humans ...