Unfortunately, one million endangered species could become extinct. On World Wildlife Day, learn who is at risk and how to ...

From water-jet snipers to exploding sea cucumbers, these creatures fire biological weapons with astonishing precision.

Giants, vampires, werewolves, unicorns, and dragons are all well-known figures in popular culture. They are seen in cartoons, ...

The squeaks and flashes of fast, fuzzy creatures dashing across Colorado's mountains may be fading, a new study finds. Why it ...