5 invasive species that may have won the war

11 facts about North America's temperate rain forests

The controversy behind the world's next great telescope

11 incredible facts about lemurs

Why would militants take over a wildlife refuge?

Earth gets a surge of new ocean sanctuaries

11 startling stats about Earth's disappearing wildlife

This blue-leafed plant isn't afraid of the dark

At Glacier Bay, witness a national park emerge from an ice age

Massive coral reef discovered thriving off the coast of Maui in deep water

Jumping spider males dance and sing (yes, sing) to woo their mates

Reef fish sing a 'dawn chorus' like songbirds