In the 1960s and 70s, a group of chimpanzees astonished the world by learning sign language. Only two remain and one question still lingers—was it worth it?

Along with memorial messages, the website is collecting donations to improve the breeding environment for 10 chimpanzees.

Kyoto University's Center for the Evolutionary Origins of Human Behavior has launched a memorial website for Ai, a chimpanzee known as a "genius " for her cognitive abilities, one month after she died ...

February 22-28, 2026 is National Justice for Animals Week. It’s an important time for people to reconsider how legal systems ...

The return of So Cal Museums Free-for-All day on Feb. 22 means that you can get into normally pricey museums without paying ...

THE WEEK spoke to Kalema-Zi kusoka, 56, on the sidelines of the T.N. Khoshoo Memorial Award and Lecture, organised by the Ashoka Trust for Research in Ecology and the Environment, in Bengaluru ...

By age 2, most kids know how to play pretend. They turn their bedrooms into faraway castles and hold make-believe tea parties.

Staff at Sealife Adventure recently refreshed the crab‑eating macaque enclosure.

Longevity must serve society and the planet. Julia Binder argues for healthier lives for all, shifting the focus from elite life extension to sustainable systems.

Recent 2025 studies reveal the biological functions behind seemingly strange animal behaviors. From chimpanzees using plants as medicine and orcas coordinating hunts with dolphins, to eagles gathering ...

From dolphins to bees, intelligence appears in many forms: planning, empathy, craft, and culture shaped by place, need, and times.