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  • Mercury in January

    Surprises at the Planet Nearest Sun

    NASA’s Messenger spacecraft flew past the planet nearest the sun in the early morning hours of October 6, completing a critical maneuver to keep it on course to orbit Mercury in 2011 and giving scientists a look at 30 percent of the planet’s surface that no one had seen before.

Feature Article

  • An artist's conception of greenhouses on Mars (NASA)
    Pioneering New Worlds

    Representatives of the world's space agencies meet in Montreal to discuss the best ways to reach beyond Earth to destinations where people may someday live and work.

Did You Know?

  • Altair Lunar lander

    The development effort for NASA's new Ares and Orion spacecraft is unparalleled in U.S. spaceflight since the shuttle program formally began in 1972.