Related topics: species ยท fossil

Geneticists map the rhinoceros family tree

There's been an age-old question going back to Darwin's time about the relationships among the world's five living rhinoceros species. One reason answers have been hard to come by is that most rhinos went extinct before the ...

Loss of land-based vertebrates is accelerating, study finds

In 2015, Stanford biologist Paul Ehrlich coauthored a study declaring the world's sixth mass extinction was underway. Five years later, Ehrlich and colleagues at other institutions have a grim update: the extinction rate ...

page 1 from 40