Pluto will complete its first orbit since 1930 in 2178, a historic 248-year space journey that spans generations of humans.

Pluto may no longer be classified as a planet, but in Flagstaff, its legacy still shines. Scientists, artists and community ...

Mercury is sparing us from any retrograde drama over the coming month, but October still has some retrograde energy in store. Jupiter retrograde begins on Oct. 9, and then two days later, Pluto ...

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Though technically not a planet, it has as rich geology as any of its planetary siblings in the solar system Shi En Kim - Reporter A color-enhanced photo of Pluto that was captured by the New Horizons ...