In a "groundbreaking achievement," a clone of an endangered species of ferret has given birth to babies for the very first time. The mother, named Antonia, is a clone of another black-footed ferret, ...

Wildlife conservationists are celebrating a big milestone reached by a little black-footed ferret and her offspring, born at the Smithsonian National Zoo and Conservation Biology Institute earlier ...

A cloned black-footed ferret successfully gave birth — marking the first time a U.S. clone of an endangered species produced offspring, and an opportunity to rebuild the black-footed ferret population ...

In 1979, the black-footed ferret was believed to be extinct. More than four decades later, scientists in the US have not only cloned the species from the last wild survivors, but one of those clones ...

This video is no longer available. Eight slender, endangered ferret babies were born last week at the National Zoo’s Virginia campus, covered in white fur and weighing about as much as a AAA battery.