Earth gets a surge of new ocean sanctuaries

Farmer discovers woolly mammoth near Detroit

Ginseng demand boosts prices and poaching

Tracking British Columbia's secretive sea wolf

Help the urban foxes of Silicon Valley go high-tech

Shell backs off Arctic 'for the foreseeable future'

Park vs. refuge: What's the difference?

Colorful 'ghost' bird finally caught in photos

Vinegar is suddenly sweet for Great Barrier Reef

Why do giraffes hum at night?

War-torn Gorongosa Park makes a comeback

5 startling statistics about rhinos

Freaks of Nature

Stories You Won't Believe