Global animal populations are declining, and we've got limited time to try to fix it. That's the upshot of a new report from the World Wildlife Fund and the Zoological Society of London, which ...

The vaquita is the rarest animal in the world and the rarest marine mammal. These porpoises swim in the Gulf of California and were only discovered in 1958, according to the World Wildlife Fund.

The NIH has made steady progress toward the development and use of non-animal research approaches. In 2024, the agency accepted comprehensive recommendations on catalyzing non-animal approaches ...

Drastic declines in biodiversity due to human activities present risks to understanding animal behaviors such as tool use, according to new research. Shrinking animal populations make the study of ...