High schoolers ask: would metamorphosis aboard a space shuttle mission yield normal butterflies?
Steve King embarks on a whale-watching odyssey
Smithsonian astronomer Margaret Geller plotted the bubble structure of the universe. Now she's working to find out how it got that way
The star of one of nature's most spectacular spring shows is losing ground and may be headed for the federal Endangered Species List
Cantering through smoke, over obstacles and down city streets, recruits in Washington, D.C. train for careers as mounted police
Give Marsha Ogilvie some bones, and she'll tell you the who, what and how . . . and she does it all with her hands
Easing the nation's growing traffic congestion has experts all backed up
After moving from Wolong to Washington, Mei Xiang and Tian Tian are packing them in at the National Zoo
City patterns, farm history, ancient seabeds, old mountains and new, the why of clouds: take a look
They're not animals and they're not plants, and biologists want to know a lot more about them.
Before Smithsonian scientists do underwater research, Michael Lang makes them seaworthy.
In South Africa these hefty, unpredictable and inquisitive beasts are flourishing and have become very big business
To dissect the din that daily assaults our ears, researchers from the Noise Pollution Clearinghouse are taking to the streets
A pair of biologists on Cumberland Island save the remains of dead sea critters for others to study
Fascinated by the graceful gliding of these mammals with "wings," scientists take a close look.
His 1935 rocket was a technological tour de force, but Robert H. Goddard hid it from history
Persons with synesthesia experience "extra" sensations. The Letter T may be navy blue; a sound can taste like pickles
As its Florida habitat disappears, the American wood stork, our largest wading bird, is migrating northward to new nesting grounds
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