Earth looked much different not just millions, but even decades and centuries ago. Many animal species that once existed are ...

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, ...

Giant kangaroos that lived during the Ice Age may not have been as slow and grounded as once believed. A new study finds ...

(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 ...