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Space Flight at 50: The Journey Continues

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Despite budget cuts, scientific research continues into outer space

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space exploration - International Space Station

International Space Station. — NASA/Reuters/Corbis

2. International Space Station

Voilà! Earth's first off-planet residence, the International Space Station, will be complete after 10 years of continuous habitation and construction. Our outer-space home base plans to welcome new arrivals until 2020, including a talking robot that will keep astronauts company and tweet updates back home.

Next: Dragon spacecraft. >>

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