Waves of extinction have ripped through life on Earth over and over again during its long history. The non-avian dinosaurs ...

Extinction is an overwhelming concept, difficult to grasp in its enormity and finality. Thousands of species are barreling toward that grim fate, unless we help. A comprehensive new study provides the ...

Biotechnology company Colossal Biosciences used genetic editing techniques to alter 20 genes of gray wolves (pictured above) to express certain characteristics of ancient dire wolves. The company says ...

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 ...