The collapse of tropical forests during Earth's most catastrophic extinction event was the primary cause of the prolonged ...

Although we have many problems with critically endangered species today, it used to be a lot worse. Before the times of ...

In the twilight, she finally heard it: The duet of the Blakiston’s fish owl, an endangered species whose six-foot wingspan makes it the world’s biggest owl.

Books Received Published: 29 June 1876 The Geographical Distribution of Animals, with a Study of the Living and Extinct Faunas, as Elucidating the Past Changes of the Earth's Surface Nature 14 ...

In the race to save birdlife around the world, time is running out—and doing everything right still won’t be enough. Despite ...

Thylacines — marsupials known as Tasmanian tigers — were declared extinct decades ago, but efforts to find one in the wild are thriving. Scientists are also working to bring back the species.

More than 35 species of falcons roam the Earth’s skies at present. But there used to be at least three others. Here’s the story of the confirmed falcon species lost to the world forever.