NASA
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Volunteers will be required to spend four months eating like astronauts in a Mars-like environment.
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NASA study proposes easy-to-implement solutions to our hotter, smoggier tomorrow.
Article
A storied chapter closes in American space exploration.
Article
Alien species and rapidly melting ice quickly transforming South Pole.
Article
From Saudi Arabia to Cambodia to Los Angeles, these young explorers come from around the globe all with the common goal of saving the planet.
