Dive into the fascinating history of 20 extinct dog breeds that once roamed the earth. From the Cuban breed used to guard and catch runaway slaves to the fierce dogs that took on bears and fought to ...

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 ...

For the last 10,000 years, thousands of species have perished from the Holocene extinction event, which is still ongoing. Unfortunately, due to human activity, around 150-200 species become extinct ...