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 ...

Earth looked much different not just millions, but even decades and centuries ago. Many animal species that once existed are nowhere to be found. From human activity to climate change, new animals ...

This now-extinct animal stood about 2.5 feet tall at the shoulder and had notable long, curved horns. Sadly, the bluebuck disappeared around the year 1800, mainly because of overhunting and having to ...

Colossal Biosciences made a record-breaking 20 edits across 14 genes in gray wolf cells by adding extinct dire wolf DNA. This was the first time ancient DNA has been used to bioengineer an extinct ...

No other animal is as inexorably linked with extinction as the dodo, an odd-looking flightless bird that lived on the island of Mauritius in the Indian Ocean until the late 17th century. The arrival ...

Scientists have analyzed ancient DNA and compared more than 400 fossils from 17 natural history museums to figure out how and why extinct sloths got so big. Most of us are familiar sloths, the ...

Few people know that the Zebra had a close relative, native to South Africa, that went extinct in the late 1800s. Here’s its story. Countless species have come and gone in the short history of life on ...

If there are two things you picture when you hear the word “kangaroo,” chances are it’s either a mama with a joey in her pouch or their propensity to hop across the Outback. It’s daunting enough that ...

In April of 2025, headlines across the world announced that the dire wolf had been brought back from extinction. This 130-150 lbs wolf species, about 25% heavier than modern-day gray wolves, had not ...