The federal government is considering whether to allow scientists to take a controversial step: make changes in some of the genetic material in a woman's egg that would be passed down through ...

Scientists discovered that aging DNA repeats expand at wildly different speeds—and in some people, the consequences can be devastating. A sweeping genetic study drawing on data from more than 900,000 ...

That's where genetic rescue comes in. "Habitat fragmentation is incredibly common, and it's a huge problem for conservation," Bell said. "There are a few research groups that are strongly advocating ...