The Bushmen of Namibia are so good at reading the language of footprints they can tell what a leopard did the day before they started pursuing it
The star of one of nature's most spectacular spring shows is losing ground and may be headed for the federal Endangered Species List
Steve King embarks on a whale-watching odyssey
Cantering through smoke, over obstacles and down city streets, recruits in Washington, D.C. train for careers as mounted police
After moving from Wolong to Washington, Mei Xiang and Tian Tian are packing them in at the National Zoo
In South Africa these hefty, unpredictable and inquisitive beasts are flourishing and have become very big business
They're not animals and they're not plants, and biologists want to know a lot more about them.
As its Florida habitat disappears, the American wood stork, our largest wading bird, is migrating northward to new nesting grounds
Fascinated by the graceful gliding of these mammals with "wings," scientists take a close look.
A pair of biologists on Cumberland Island save the remains of dead sea critters for others to study
The vaults of the Natural History Museum in Paris contain a menagerie of curious crustaceans
Scientists at the Smithsonian's Conservation and Research Center have snatched endangered creatures from the brink and redefined conservation biology
In Mexico's Maya jungle, the survival of the jaguar hangs on radio collars, hounds and former hunters
If hummingbirds were as big as ravens, it probably wouldn't be safe to go for a walk in the woods
Although they are by nature loners, these clever "cats" don't mind a little human companionship
Aliens are tunneling through North America. Who'd have thought these earth tillers have a downside?
Catching a glimpse of these night-loving birds, which include the whip-poor-will, challenges even the most avid bird-watcher
Bighorn sheep have made a big comeback in recent years, but some developers out West think they're intruders
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