Discovery At the Launch Pad

Discovery rolled to the launch pad Wednesday for its STS-119 mission, targeted to launch on February 12. Commander Lee Archambault and crew will deliver the final set of solar arrays to the space station. › Space Shuttle Section

Understanding the Sources of Rising Carbon Dioxide

Scientists soon expect to get some answers to compelling questions about carbon dioxide in our atmosphere, thanks to the Orbiting Carbon Observatory, a new Earth-orbiting NASA satellite set to launch in February. › Read More

Spirit and Opportunity: Five Years of Science and Discovery on Mars

NASA rovers Spirit and Opportunity may still have big achievements ahead five years after arriving at the Red Planet.
› Video: A Tale of 2 Rovers | › Mars Rovers Section

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Common Extensible Cryogenic Engine

The Future Is Now

How can a rocket engine that generates 5,000 degree steam and 13,800 pounds of thrust form icicles at the rim of its nozzle? It's cryogenic. The Common...

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    Look back on the top exploration and discovery stories of NASA's 50th anniversary year.

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NASA to Participate in Nation's 56th Inaugural Parade

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Common Extensible Cryogenic Engine, or CECE

NASA Tests Engine Technology for Landing Astronauts on the Moon

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