Technologies needed for tracing engineered biothreats back to their sources are advancing rapidly. Here are some ...

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 ...

In a giant feat of genetic engineering, scientists have created bacteria that make proteins in a radically different way than all natural species do. By Carl Zimmer At the heart of all life is a code.

Should we genetically modify wild lions? Of course not, might be your instant response. But what if lions were being wiped out by a devastating disease introduced by people? What if the genetic change ...