Explore 25 of the rarest animals in the world, from the vaquita to the Amur leopard. Learn about their critical status, why they're disappearing, and what'

(Gary Braasch / Corbis) When Polynesians arrived at the uninhabited Hawaiian Islands thousands of years ago, they found an array of colorful tree snails, each less than an inch in length, across the island of Oahu. Those little snails—there are 41 ...

An international team of primate researchers has published the 25 most endangered primate species in Asia, Africa, Madagascar and South America for the years 2023 to 2025. The publication emphasizes how urgently global conservation measures need to be ...

The Interior Department’s Fish and Wildlife Service revised regulations implementing the Endangered Species Act. Conservationists warn the changes could put vulnerable species at greater risk.

The Trump administration rolled back the Endangered Species Act on Friday, slashing protections to the habitats of endangered species and paving the way for more drilling and mining.

In the vast, arid landscapes of South Australia's northeast, on the lands of the Adnyamathanha and Wilyakali, a surprising discovery is changing our understanding of one of Australia's most endangered birds. The plains-wanderer (Pedionomus torquatus) has ...