Why Pluto should be considered a planet
The decision to demote Pluto to a dwarf planet was arbitrary rather than being based on science.
The decision to demote Pluto to a dwarf planet was arbitrary rather than being based on science.
Ice and fire on the surface of Pluto.
It's the only place other than Earth in our solar system that's known to have white-peaked mountains
Although Pluto orbits the sun at an average distance of 3.7 billion miles (5.9 billion kilometers), some studies claim that ...
This is not what Pluto looks like.
Talk about a surprising find!
Comfortably insulated.
Good news for Pluto fans!
It's the last place scientists expected to find something like this.
I've never given up on you, Pluto.
There's a man-made shuttle at the edge of the solar system, taking photos. It's mind bending.
Pluto just got a lot more interesting.
I never lost faith in you, Pluto.
Pluto shares some love.
As NASA's New Horizons shuttle zoomed past Pluto, it snapped awesome photos not only of the "ex-planet", but also of ...
New data provided by the New Horizons mission showed that water ice on Pluto is much more common than we ...
NASA released a stunningly colorful new image of the dwarf planet Pluto, the latest in a series of images that ...
There is only one clear set of official criteria by which we class or not a cosmic body as a ...
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