Monarchs of the mountain West, they once ranged all the way to the Eastern Seaboard. Now they are coming home
The rocks tell us that at least twice, the earth has frozen over from the poles to the equator
For the National Zoo's esteemed senior citizens, only the very best in geriatric medical care will do
The beluga whales of Canada's St. Lawrence River have endured a lot over the years, but they're still around, and still controversial
In competition, workaholic Border collies fetch, pen and shed to prove they have the right stuff
The space agency crashed a satellite on the moon in a search for water. It wants to "shoot" a comet.
Talking oven mitts, anyone? At the Counter Intelligence Project, research wizards are creating the culinary gizmos of tomorrow
Was it a scorpion? A spider? A snake? The toxin experts at APDIC can tell you what to do
In North America, more than 60 million birds have been banded to help us learn how they live and travel
Conservation and research remain key elements in the National Zoo's ever-expanding programs
A government report takes a look at what we have left and where we are heading
Oh yes, it's a touchy-feely creature all right, but the collared peccary, or javelina, has very big teeth and it knows how to use them
Never mind its savage reputation. The piranha is a pussycat most of the time
Mysteriously moving stones in Death Valley leave whimsical trails. How do they do that?
Combine the power of nature, animal companionship and music, and you have a recipe for healing
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