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 ...

The late 1900s were a time of rapid change for our planet, and unfortunately, some of its most unique inhabitants did not survive. Between the 1980s and 1990s, several animal species disappeared ...

Two marsupial species thought long extinct, until now known only from fossils, were found alive in New Guinea through a collaboration of scientists, indigenous communities and citizen scientists. The ...

The two marsupials were found living in the remote rainforests on the Vogelkop Peninsula of New Guinea.

The ivory-billed woodpecker, along with 22 other species of birds, fish, mussels and other wildlife, is set to be declared extinct and removed from the endangered species list, US wildlife officials ...

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 ...

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 ...

Ancient sloths lived in trees, on mountains, in deserts, boreal forests and open savannahs. These differences in habitat are primarily what drove the wide difference in size between sloth species.