Sabre-Toothed Tigers Several types of saber-toothed mammals roamed the Earth during the Ice Age and Smilodon was one of the most vicious ones. Also known as a saber-toothed tiger, this wild beast was ...

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 ...

Here’s something you don’t see every day: video footage of the critically endangered Myanmar snub-nosed monkey (Rhinopithecus strykeri), a species that was only discovered in 2010. Here's something ...

Across the globe, a small number of animal species are now so rare that only a few individuals remain in the wild. Habitat loss, climate change, poaching, and human activity have pushed these animals ...

While conservation efforts have bolstered the populations of many species considered to be threatened in 2025, many animal and plant species continue to dwindle in number, with some even going extinct ...

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 ...