Ocean waters melting the undersides of Antarctic ice shelves are responsible for most of the continent's ice shelf mass loss, a new study by NASA and university researchers has found.

Two prominent aerospace industry organizations are recognizing the contributions of NASA, especially the achievements of the team that landed NASA's Curiosity rover on Mars in August, with coveted awards.

The hunt is on for methods to aim a spacecraft at an asteroid.

NASA has announced recipients of the 2013 Sagan Exoplanet Fellowships, a program designed to encourage new talent in exoplanet research.

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