True extinction is final, a point of no return where a species disappears forever. And sadly, species go extinct all the time. But in some rare cases, animals believed to be lost for good have ...

Just because a species is presumed extinct doesn’t mean it’s gone forever. Here are four glowing examples of this unique, and felicitous, phenomenon. Not all species that have been classified as ...

The world is a harsh place, and all living things are constantly evolving to try to survive. Unfortunately, as the world changes, some animals just can’t evolve quickly enough to make it, and they go ...

And then there were none. The International Union for Conservation of Nature (IUCN) has announced that several species of animals and plants have now gone extinct. The 2025 list of extinctions ...

In April of 2025, headlines across the world announced that the dire wolf had been brought back from extinction. This 130-150 lbs wolf species, about 25% heavier than modern-day gray wolves, had not ...

New research identifies 10,443 critically endangered species worldwide, with effective protection strategies available if funding and political will follow. More than 1,500 species, or 15% of the ...

Dire wolves were massive and highly intelligent animals nearly the size of a small horse, capable of ripping a man’s arm off as easily as a dog kills a rat. They lived in cold regions in a place ...

A new study from Princeton University, the Smithsonian Institute, the Mpala Research Centre and many partner institutions has now documented the interconnection between the largest animals in the ...

This year, at least six animal and insect species moved to the Extinct category of the IUCN Red List of Threatened Species Kelli Bender is the Pets Editor at PEOPLE. She has been working at PEOPLE ...

The elusive Northern Spotted Owl. The majestic Whooping Crane. Charismatic Florida panthers and beloved Monarch butterflies. These and many other endangered species now face even graver threats in the ...