Genetic engineering, also known as genetic modification, is a set of technologies used to change the genetic makeup of cells, including the transfer of genes within and across species boundaries to ...

In the 22nd century, manipulation of the human genome became commonplace. Techniques of genetic engineering advanced to the point where the rich could custom-build fetuses that grew into stronger, ...

Biologist Charles Darwin began crafting his theory of evolution on a trip to the Galapagos Islands, where he discovered animals had developed unique traits that varied from island to island. Nearly ...