Mars rover approaching
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Curiosity lands successfully on Mars
U.S. robotic rover Curiosity is the largest-ever craft to touch down on Mars.
1:01 • Source: NASA
Mars Exploration 15 videos
Mars rover approaching
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Curiosity lands successfully on Mars
1:01
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• Source: NASA
Artistic impression of the Mars Express spacecraft probing the southern hemisphere of Mars.
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Why we care about water on Mars
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• Source: CNN
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Mouse spotted on Mars?
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See what it's like to fly over Mars
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Way Up There space series Can our minds handle it? Hi-seas dome hand out
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Can our minds handle Mars?
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Would you eat food grown on Mars?
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'Humans on Mars in 2027'
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Astronaut controls robot on Earth from space
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STAR CITY, RUSSIA - MARCH 5: In this handout from National Aeronautics and Space Administration or NASA, Astronaut Scott Kelly is seen inside a Soyuz simulator at the Gagarin Cosmonaut Training Center (GCTC) March 5, 2015 in Star City, Russia.
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Astronaut Scott Kelly: We're ready for Mars
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Crew finishes year-long Mars simulation on Hawaii
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Is this the ship that will take humans to Mars?
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Elon Musk
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Elon Musk on Mars travel: Ready to die?
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nasa proof of alien life in 20 years
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NASA: Proof of alien life closer
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Mysterious images of blue sunset on Mars
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A newly released study from NASA shows Mars had an ancient ocean that might have been as large as Earth's Arctic Ocean.
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NASA: Mars had massive, mile-deep ocean
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• Source: NASA