So many humans live on Earth, it’s hard to imagine there are animals we haven’t seen for years, decades, or even millions of years, but it keeps happening! Animals believed extinct that were found ...

True extinction is final, a point of no return where a species disappears forever. And sadly, species go extinct all the time ...

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 ...

Two ancient wolf pups found entombed in Siberian permafrost more than a decade ago are revealing new stories, thanks to rich DNA clues preserved inside their bodies. In a first, researchers found a ...

Fossils reveal that there were at least two kinds of koala when humans first arrived in Australia, but one died out about ...

Colossal Biosciences, the Dallas, Texas company looking to 'de-extinct' the woolly mammoth is adding an African antelope to ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. There’s an important concept in evolutionary biology called ...