Are we alone? Or was there life on another planet? NASA's $2.5 billion dream machine, the Mars Science Laboratory, aims to take the first steps toward finding out when it nears Mars's surface on Monday.
Space Exploration
Aug 5, 2012
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The first flight of a commercial vessel to the International Space Station in late April will signal a bigger role for the private sector and open up space tourism opportunities, industry experts and lawmakers say.
Space Exploration
Mar 25, 2012
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A NASA astronaut who spent more hours walking in space than any other American and also set a record for the longest spaceflight mission has retired to join the private sector, the US space agency said Monday.
Space Exploration
Mar 12, 2012
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The United States will scale back Mars exploration under a proposed budget by President Barack Obama released Monday that has some scientists fuming over the risk of a NASA brain-drain.
Space Exploration
Feb 13, 2012
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NASA is seeking friends for a new game the US space agency launched on Facebook.
Space Exploration
Jan 30, 2012
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Republican White House hopeful Mitt Romney tried to boost support on Florida's "Space Coast" Friday ahead of next week's key primary, promising business would play a bigger role in future missions.
Space Exploration
Jan 28, 2012
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A checklist used to guide the wounded Apollo 13 spacecraft home after the explosion that led to the famed "Houston, we've had a problem" call sold at auction in Texas Wednesday for just under $390,000.
Space Exploration
Nov 30, 2011
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The US space shuttle is part cargo truck, part passenger bus, part airplane built for orbit, and has known soaring highs and devastating lows during its 30-year career.
Space Exploration
Jul 20, 2011
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NASA astronauts and engineers fought off tears Wednesday as Atlantis made its final approach toward Earth, bringing an end to the 30-year shuttle program and closing a chapter in human spaceflight.
Space Exploration
Jul 20, 2011
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Mark Kelly, the US astronaut who commanded the final flight by the shuttle Endeavour, announced Tuesday he is retiring to spend more time with his lawmaker wife as she recovers from a gunshot wound to the head.
Space Exploration
Jun 21, 2011
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