A citizen scientist's wildlife photo helped researchers confirm two marsupial species thought extinct for over 7,000 years are still alive.

Hawaiʻi's role in a recent discovery in the forests of New Guinea is rewriting a scientific story that seemed finished thousands of years ago.

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 ...

Two tiny animals believed to have been extinct thousands of years ago have been rediscovered alive in the remote forests of Indonesia.

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

The pygmy long-fingered possum and the ring-tailed glider, two marsupials believed to have died out thousands of years ago, are still alive in Papuan Indonesia.

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 ...

Researchers identified a new freshwater fish species in South Africa after years of genetic testing and analysis.

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