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Pluto Haze| This image of haze layers above Pluto limb was taken by NASA New Horizons spacecraft. About 20 haze layers are ...

Mapping Pluto Broken Heart | This image was taken by the New Horizons Long Range Reconnaissance Imager (LORRI) on the morning ...

A blue atmosphere, smooth areas, and youthful mountain ranges - this dwarf planet is full of surprises. When NASA's New Horizons probe flew past Pluto in July 2015, the images it returned astonished ...

The dwarf planet Makemake, which chills out in the deep freeze of the outer Solar System, might be home to an ice volcano 1.

the International Astronomical Union has reclassified Pluto as a dwarf planet. So what's a grade school teacher to do? Hold the pizzas? We challenge you to come up with a mnemonic appropriate for ...

Although Seeing in the Dark doesn't directly discuss Pluto, it does celebrate the joy of observing planets. Viewers who watch the show may wonder what happened to Pluto in 2006 and whether any of ...

They also say Ceres has patches… Read More Astronomers have found an icy world that ranges far beyond the orbit of Neptune and may well rank as a dwarf planet alongside Pluto. The newly ...

Planitia structure on its surface. Ever since NASA's New Horizons sent back the first-ever photos of Pluto in 2015, the dwarf planet's mysterious heart-shaped region has puzzled scientists.

In 2006, the International Astronomical Union (IAU) voted on the definition of a planet. Famously, Pluto no longer met the ...

Credit: NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute When the International Astronomical Union (IAU) demoted Pluto from a planet to a dwarf planet in 2006 ...