Earth looked much different not just millions, but even decades and centuries ago. Many animal species that once existed are ...

Over a million species of animals and plants are now hanging by a thread, more than ever before in human history, says the International Science-Policy Platform on Biodiversity and Ecosystem Services ...

During the Early-Middle Devonian period, a large landmass called Gondwana—which included parts of today's Africa, South America, and Antarctica—was located near the South Pole. Unlike today's icy ...

Just because a species is presumed extinct doesn’t mean it’s gone forever. Here are four glowing examples of this unique, and felicitous, phenomenon. Not all species that have been classified as ...

Now, evidence suggests that some of these spiral-shaped species did manage to persist after all. Recent analysis of ammonite ...

For the first time in years, leatherbacks have returned to nest in significant numbers on the Pacific coast of Nicaragua.