The habitat of one of the world’s cutest endangered animals is being threatened by human-caused climate change. The Caspian seal is the only marine mammal found in the 143,200-square-mile Caspian Sea.

It’s that time of year again: PEOPLE magazine is on the search for the World’s Cutest Dog. The magazine has partnered with Pedigree for the eighth year in a row. Entries are open most of the month, ...

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 tragic news of the loss of the world's last remaining northern white rhino begs the question: Can it be brought back?

In the past couple of decades, several species have been driven to extinction thanks, in large part, to human interference. Sometimes that interference is direct, poaching for big game trophies or ...

Paleontology is an exciting field, loved by many for its discoveries about past life on Earth. Fossils uncovered by paleontologists can provide clues about what extinct species looked like, how they ...

The dire wolf went extinct around 10,000 years ago. The recent claim that a U.S. biotechnology company resurrected the long-extinct dire wolf through genetic engineering seemed to shock the science ...

The "de-extinction" company Colossal Biosciences promises to fulfill that dream, at least for extinct animals like woolly mammoths (Mammuthus primigenius), dodos (Raphus cucullatus), and Tasmanian ...