A company recently claimed it revived an extinct species, launching a debate across scientific and conservation communities.

Short-lived fish such as herring and shad can recover ... Scientists have also described genetic diversity in Atlantic sturgeon; more genetic variety suggests they have more capacity to adapt ...

Oregon wildlife officials counted more gray wolves than ever last winter, a promising sign for the federally endangered ...

The Pacific Islands Heritage Marine National Monument comprises more than 490,000 square miles of some of the Earth’s last ...

Scientists say the Trump administration’s embrace of de-extinction won’t help endangered species like the Great Lakes gray ...

Whole-genome analysis raises concerns about the rare songbird, the authors of a recent study say, but could also help with ...

Some question whether the pups are really dire wolves, or just genetically tweaked gray wolves. But the technology could be used to help at-risk animals.