A recent simulation predicts that NASA's New Horizons probe could slam into a rocky killing field encircling the "binary planet" Pluto-Charon, during its 2015 flyby. ->
Astronomy can be a cosmic detective story, and our enduring fascination with the solar system's mysterious hinterland of small icy objects in the Kuiper belt is no exception. ->
Two of dwarf planet Pluto's tiniest moons need names -- but rather than leaving the Plutonian satellites' naming ceremony to astronomers, that honor has fallen to you. ->
The NASA New Horizons Pluto spacecraft's principal investigator will appear live with the weekly Google+ Space Hangout panel to discuss the mission and other cool space news from the week.
In a star system not so far away, two extrasolar planets are orbiting their parent star with surprisingly odd inclinations. What kind of gravitational turmoil could have caused this mess?
Eris appears to have similar quantities of nitrogen and methane ices locked in its surface as its smaller dwarf planet cousin.
Astronomers found Pluto's fifth moon 34 years after finding its first.
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