Pluto's days, though they drag on a bit at around 153 hours, are nothing compared to its years. Pluto's orbit takes 248 Earth ...

CAPE CANAVERAL, FL -- Come Tuesday, Clyde Tombaugh will pass within 7,800 miles of the icy world he discovered 85 years ago. His ashes are flying on NASA's New Horizons spacecraft on humanity's first ...

A digital rendering of the Gate to Hell, aka Pluto’s Gate. According to Discovery, “Pilgrims watched the sacred rites on the steps, took the waters in the pool, slept not too far from the cave and ...

Beyond Pluto -- So others can follow -- These old walls -- Stars that move and fade -- To watch them dance -- Our star, our sun -- Seek and destroy -- Telescope wars ...