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 ...

Researchers say the remarkable discovery was made using fossils, photos and a misidentified museum specimen ...

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 ...

For the first time, Colossal BioSciences unveiled its Dallas labs where it is spending millions of dollars researching how to revive extinct animals and save endangered ones.

Scientists have rediscovered two marsupial species in New Guinea that were believed to have gone extinct 6,000 years ago. The ...

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

A research team traveled to South Africa’s Umzimkhulu River in 2017 with a specific mission: find surviving pockets of the Maluti redfin minnow, a species declared extinct after introduced trout ...

A stunning butterfly classed as extinct for 30 years has been spotted across parts of England. The Large Tortoiseshell has ...

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