On August 24, 2006, in Prague, members of the International Astronomical Union gathered for the final day of their General ...

The methane-capped mountains of Pluto’s Cthulhu region. False color images, in purple, show methane across the region correlates with the snow caps. Gazing at Pluto’s Cthulhu mountain range from space ...

Pluto’s dark side has come into dim view, thanks to the light of the dwarf planet’s moon. When NASA’s New Horizons spacecraft flew past Pluto in 2015, almost all the images of the dwarf planet’s ...

New Horizons spent only hours gathering its best observations of Pluto, yet those close-ups may define the dwarf planet for ...

Add Yahoo as a preferred source to see more of our stories on Google. Scientists have called for Pluto to be classified as a planet again following a new study into planetary science. Pluto was ...

We now know Pluto much better, thanks to NASA's New Horizons mission, leaving CNET's Eric Mack to wonder how the former planet compares to our home rock. With a clearer picture of Pluto streaming home ...

Pluto’s atmosphere may finally be thinning as it moves farther from the sun, with observations suggesting atmospheric pressure has fallen by as much as 16%.

Add Yahoo as a preferred source to see more of our stories on Google. NASA mission has new revelation about Pluto's mysterious heart-shaped glacier, Sputnik Planitia. - NASA / Johns Hopkins University ...

Nearly eight years after its historic Pluto flyby, NASA's New Horizons probe is getting ready for another round of observations made from the icy edge of the solar system—and this time, its field of ...

Pluto and Charon’s meet-cute may have started with a kiss. New computer simulations of the dwarf planet and its largest moon suggest that the pair got together in a “kiss-and-capture” collision, where ...

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