Discover the elephant birds of Madagascar, including the newly classified Vorombe titan, the largest birds ever to roam the Earth. Sesame Street's beloved Big Bird has an official height of ...

Madagascar's recently extinct elephant birds, once thought to be active during the day, were actually nocturnal, according to new research.Credit: John Maisano for the University of Texas at Austin ...

Colossal Biosciences is working on several de-extinction projects in the hopes of bringing back the woolly mammoth, the dodo bird and other extinct species GettyA trio of woolly mammoths trudges over ...

In a bold and ambitious attempt to reverse extinction, Colossal Biosciences, a Texas-based de-extinction company, is spearheading efforts to bring back iconic species that once roamed the Earth. The ...

It was 10 feet tall and weighed more than 1,000 pounds. But that didn’t stop it from going extinct. An intact, fossilized specimen of the world’s largest egg—of any known species ever on Earth—entered ...

After the birth of three pups has been called the "de-extinction" of a species not seen on Earth in more than 10,000 years, the company that made it possible has it sights set on resurrecting more ...

The first complete mitochondrial genome sequence of an extinct species is reported. The ratites make up a group of flightless birds unique to the Southern Hemisphere that include the kiwi, ostrich, ...