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

Three genetically engineered wolves that may resemble extinct dire wolves are trotting, sleeping and howling in an undisclosed secure location in the U.S., according to the company that aims to bring ...

An occasional series where Mongabay founder Rhett Ayers Butler shares analysis, perspectives and story summaries. On a remote ...

Humans wiped out the bluebuck in Africa around 200 years ago. Bringing it back is both ethically and technologically ...

Most of us are familiar with sloths, the bear-like animals that hang from trees, live life in the slow lane, take a month to digest a meal and poop just once a week. Their closest living relatives are ...

The dire wolf was one of the most formidable predators in the Americas during the last Ice Age, possessing a body more stout and a skull more robust than those of modern wolves. The species went ...

If there are two things you picture when you hear the word “kangaroo,” chances are it’s either a mama with a joey in her pouch or their propensity to hop across the Outback. It’s daunting enough that ...

Scientists have analyzed ancient DNA and compared more than 400 fossils from 17 natural history museums to figure out how and why extinct sloths got so big. Most of us are familiar sloths, the ...