Unfortunately, as the world changes, some animals just can’t evolve quickly enough to make it, and they go extinct. This has ...

The American genetic engineering firm Colossal Biosciences recently announced to much fanfare it had "de-extincted" the dire wolf, a canine species that was wiped out around 10,000 years ago. However, ...

Ancient sloths lived in trees, on mountains, in deserts, boreal forests and open savannahs. These differences in habitat are primarily what drove the wide difference in size between sloth species.

(AP) - 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 ...