A 2.1 billion-year-old Martian rock offers scientists clues to to a period in the planet's history when its climate finally changed. More from NASA, Nature, Los Angeles Times, and Time.
Friday, January 04, 2013
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Spaceports will enable thousands of people from around the world to go to outer space. The Spaceports Blog endeavors to provide information linking those with interest in the pursuit of space to spaceport development and the people and vehicles that fly from them.
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