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In the distant past, both Earth and Mars were covered in thick atmospheres and held large bodies of water. While Earth has become a cradle of life in our solar system, Mars lost its atmosphere and became a barren, desert world. No one knows why. NASA's 2013 MAVEN mission will offer scientists many clues as they try to solve this Martian mystery. More »
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A group of secretive rocket designers have defected from NASA's rocket-building team to spearhead their own forbidden project. They spend their evenings designing Jupiter (pictured), a moon rocket they think will work far better for less money then NASA's current moon rocket, Ares, set to bring some people to the moon in 2020. With all its plans available on a site called Direct 2.0, and nearly 100 engineers working, its possible Jupiter could zoom to the moon before Ares — if it can get some funding. More »
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