If — when? — the African elephant goes extinct in an estimated two decades, there will be mourning and memory and tribute. People will post photos of themselves at the circus as kids. They'll mimic ...

On a fenced U.S. preserve, a pair of heavy‑boned canids now stalk and play that, until recently, existed only in tar pits and textbooks. Colossal Biosciences says these living pups carry the signature ...

Most of us learned about extinction in high school biology, but did you know that de-extinction is real, too? The dire wolf, which vanished over 10,000 years ago, has become the first example of a ...

The term “de-extinction” often conjures images of Jurassic Park-style genetic manipulation, complete with ethical dilemmas and ecological chaos. But the reality of functional de-extinction—the ...

State fish and game officials declared mountain lions in the Central Coast and Southern California threatened under the state’s endangered species act.

Editor’s Note: This article has been updated with corrected information about Stanley Temple’s 2013 TEDx Talk and Revive & Restore’s partnership with the Applied Ecological Institute, Stratifyx and UW ...