Talk about your David and Goliath story: ant colonies have found a way to ward elephants away from their turf with painful, precise attacks.

A major extinction event is taking place now, with many wondering what animals will disappear from the planet forever.

Over 850 pounds of illegal wildlife from nearly 20 species was just seized from restaurants in Vietnam, according to the Wildlife Conservation Society.

For the first time, a structure comparable to our cerebral cortex has been found in an invertebrate -- a humble marine ragworm.

American horseshoe crabs are declining across the entire East Coast, from Maine to Florida. Researchers suspect that climate change and human activities are to blame.