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 ...

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 ...

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 ...

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

Researchers captured the novel behavior on video in the Gulf of California, recording three separate takedowns across two hunts carried out by members of the Moctezuma pod Their fur is so soft it ...

(Gary Braasch / Corbis) When Polynesians arrived at the uninhabited Hawaiian Islands thousands of years ago, they found an array of colorful tree snails, each less than an inch in length, across the ...

Following five seasons with virtually no nests, the Pacific coast of Nicaragua is seeing the return of leatherback turtles.