Photos show the historic reintroduction, which is part of an ongoing project to bring back a species considered locally extinct for over 40 years.

A bill introduced Monday, proposing to strip endangered species protections from Mexican gray wolves would mean ...

The urbanization in São Paulo is also leading to big cats being susceptible to road accidents and deadly traps meant to catch ...

Scientists have created a near-copy of the long-extinct dire wolf. Using advanced CRISPR gene editing tech, it now looks ...

Take a journey through time and discover extinct animals from ancient history, from giant mammals and terrifying sea creatures to lesser-known species that once ruled the Earth. This video explores ...

The collapse of tropical forests during Earth's most catastrophic extinction event was the primary cause of the prolonged ...

Scientists and governments are calling for the strongest international protections yet for sharks and rays, citing ...

One notable success story is the cloning of Przewalski's horses, once extinct in the wild. Kurt, the first cloned ...

His future looked grim until Alice, a domestic Pony of the Americas who’d recently lost her newborn, accepted him as her own.

California has entered the final phase of construction on what will become the world's largest wildlife crossing, a ...

Last Friday, the Wildlife CSI Academy hosted a special learning experience involving protected animals, some which were ...

Teeth can tell a life’s story, even when they’re 150 million years old. One of the new frontiers in paleontological research ...