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The solar-powered airplane Solar Impulse completes its historic cross-country flight
The history of women in space began 50 years ago—and continues to this day
At the World Science Festival, kids learn what it’s like to be a professional scientist
Scientists warn that the seabird’s population is at risk in the U.S.
A penguin exhibit opens at the Florida theme park
Astronauts investigate a leak at the International Space Station
An aircraft takes off for a cross-country flight—with no fuel required
Long-extinct species are not quite back, but scientists may soon be able to re-create the creatures. Should they?
NASA images reveal a massive hurricane on Saturn’s north pole
A new study says it may be as simple as making a fist
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