Some species officially bid us farewell this year. They may have long been gone, but following more recent assessments, ...

This video explores five species once declared extinct that were later found alive in surprising locations. It follows the ...

Not every extinct animal vanished in plain sight. Some disappeared into remote regions humans barely study. This list ranks ...

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 ...