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

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 ...

"It's a really strange animal, and the weird twist in the jaw drove us crazy trying to figure it out." ...

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

The ivory-billed woodpecker, along with 22 other species of birds, fish, mussels and other wildlife, is set to be declared extinct and removed from the endangered species list, US wildlife officials ...

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

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 ...

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.