The modification of the genetic makeup of cells. Genetic engineering modifies the DNA in cells to alter their behavior. In 1953, the discovery of the DNA double helix, technically deoxyribonucleic ...

The return of the long-extinct wooly mammoth or dodo bird may sound like a storyline straight out of science fiction. It’s not. Several de-extinction projects all share an ambitious aim to resurrect ...

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 bring ...

This undated photo provided by Colossal Biosciences shows a young wolf that was genetically engineered with similarities to the extinct dire wolf. (Colossal Biosciences via AP) Three genetically ...