Some harlequin frogs have lost their poison—and their ability to defend themselves. Scientists are on the case.

Add Yahoo as a preferred source to see more of our stories on Google. A frog species so rare that the International Union for Conservation of Nature listed it as "possibly extinct" has been ...

National Geographic Society CEO Jill Tiefenthaler looks ahead as the organization’s next evolution — The Museum of Exploration — opens its doors this summer.

When Australia’s national threatened species list was updated in March, almost a third of the newly listed animals were frogs. With the additions of the Mount Ballow mountain frog (Philoria knowlesi), ...