Not all animals have the name recognition of a T. rex or a dodo. However, plenty of well-known animals have vanished from the ...

Roman Uchytel is a Ukrainian paleontologist and graphic designer who recreates prehistoric fauna, providing an interesting ...

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 ...

New research identifies 10,443 critically endangered species worldwide, with effective protection strategies available if funding and political will follow. More than 1,500 species, or 15% of the ...

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.