Whether dogs are carnivores is a hotly debated question. On the one hand, they belong to the Carnivora order and descend from ...

The linear tracks and human footprints found may be evidence of ancient transportation technology.

Most of us prefer a bit of variety in what we eat. Not true for these five "specialist" species, who seem perfectly content ...

Reaching up to 800 pounds and 8 feet tall when standing, grizzly bears boast tremendous size and physical strength and have almost no natural enemies. Or just one — humans. But we’ve proved formidable ...