After 340 days aboard the International Space Station, astronaut Scott Kelly landed safely in Kazakhstan Tuesday. This is the longest an American has ever traveled in space. Here is a list of how the research obtained by scientists will impact the future of space exploration: http://cbsn.ws/1QM9O7O
  1. What happens to the human body after living in space for a year
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    "It's not necessarily uncomfortable, but it is a harsh environment."
  2. Mars exploration
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    If the impacts of being in space for 340 days are harsh, imagine a 3-year mission to reach the "Red Planet" and back.
  3. Kelly's genetic structure changes
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    Meet Mark Kelly, a former astronaut and Scott Kelly's identical twin brother. Scientists will compare data from both Kellys for a look at long-lasting changes in body, genetic structure.
  4. A view from above
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