New Petition Aims to Restore Pluto's Planetary Status

A breathtaking montage of Pluto and Charon, assembled from separate images that were taken on July 13 and 14 from NASA’s New Horizons spacecraft, as the latter was making its historic close fly by of the distant dwarf planet and its system of moons. New Horizons’ highly successful mission has provided a new […]

That Friday Feelin': New Horizons to Pass Key Distance Milestone Today on Journey to Pluto

With 5 Astronomical Units of distance and just 90 weeks to go, New Horizons is primed and ready for its July 2015 rendezvous with Pluto. Image Credit: NASA

Friday is almost universally recognized as an indicator that the weekend draws inexorably closer … but for NASA’s New Horizons spacecraft, today will mark a […]

Pluto's Unnamed Moons Given Names by IAU

Two newly discovered moons orbiting Pluto have been given official names by the International Astronomical Union. Image Credit: NASA / STSci

Two of Pluto’s small moons, previously known just as P4 and P5, have been given official names by the International Astronomical Union (IAU). Pluto is the god of the underworld in classical […]

NASA Announces Asteroid Grand Challenge

Image Credit: NASA

WASHINGTON — NASA announced Tuesday a Grand Challenge focused on finding all asteroid threats to human populations and knowing what to do about them.

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What Will Dawn Find At Ceres?

The Dawn spacecraft has left Vesta and is currently on its way to Ceres, which it should reach in 2015. Image Credit: NASA

NASA’s Dawn spacecraft was launched September 27, 2007, on a unique mission: to explore the two most massive objects in the asteroid belt, Vesta and Ceres. Propelled by an ion […]