Scientists and fishermen in Brazil caught an “armored” river creature known to sting and discovered a new species, a study said. Photo from Willian Massaharu Ohara via Tencatt, Ohara, Carvalho, and ...

A US startup claims to have brought an extinct species back into existence. It's prompted debate about the difference of resurrecting an extinct species and genetically modifying an existing one.

Colossal Biosciences has made history with the birth of three dire wolves, marking the world’s first true de-extinction. From ...