Researchers scoured mountainous areas on their hands and knees looking for signs of the rare species' survival, according to ...

The ocean covers more than 70 percent of Earth’s surface, yet we’ve explored less of it than we have the surface of the moon.

Imagine a sloth. You probably picture a medium-sized, tree-dwelling creature hanging from a branch. Today's sloths—commonly ...

Malaysian giant turtles are classified as critically endangered because of their "slow reproductive cycle" and are "often ...

Scientists on an Indonesia island found a “giant” creature caught in a trap, the area’s first sighting of an endangered species, photos show. Photo from Hasan, Rahmawati, Guntoro, South, Valen, Tamam, ...

A giant creature with a "toilet seat-shaped" head and huge fangs was a top predator 40 million years before the first dinosaurs evolved, new research reveals. The skull alone of Gaiasia jennyae was ...

In a Russia rock formation once used as a quarry, an ancient gigantic bear jawbone was discovered. Elizabeth George via Unsplash Prehistoric creatures came in all shapes and sizes, from the towering ...