Until now, scientists have only known about the animals from fossils. But they suspected the creatures might still be alive, ...

They were gone for 6,000 years. Turns out, they were just hiding. Two marsupial species that scientists believed had vanished ...

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 ...

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 ...

A research team traveled to South Africa’s Umzimkhulu River in 2017 with a specific mission: find surviving pockets of the ...

How scientists (and the rest of us) are finding 16,000 new species a month.

A search for a fish lost to extinction led to a brand-new species hiding in a South African river.