Once at risk of being wiped out, humpback whales charted a remarkable comeback thanks to their songs. In 1979, National ...

The twins were born to a 22-year-old female named Mafuko, who lost her own mother to armed individuals. The extremely endangered species currently numbers at just over 1,000.

While the birth is sparking joy, infant mountain gorillas are vulnerable, and twins can be twice as hard for a mother to take ...

Of the many animals protected by the Endangered Species Act, there may be no other species more American than red wolf. Known as "America's wolf," red wolves are the only species of wolf that live in ...

North Atlantic right whales are in worse shape than their southern cousins, in part due to entanglement in fishing gear, a new study says.

Iowa natives likely have a memory of seeing rural Iowa lit up by fireflies during the summer months; however, this tradition could be changing. There are more than 2,500 species of fireflies across ...