Pluto
Here's a Trippy Simulation of Space Weather
While sampling the solar wind, New Horizons may have witnessed the birth of anomalous cosmic rays
Pluto's Mysterious Floating Hills Are Probably Water Icebergs
Icebergs floating on a weird sea of frozen nitrogen.
Meet Wright Mons: Pluto’s Massive Ice Volcano
Our first color view of what could be the largest ice volcano in the outer Solar System.
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2015 Was the Most Dramatic Year for Space Nerds in Recent Memory
From alien megastructures to Plutonian encounters, 2015 delivered payload after payload of insane space stories.
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An Astronomer Proposes a New Mathematical Definition for What Counts As a Planet
Pluto still doesn’t count as a planet, but our moon does.
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New Horizons Sets Off to Its Next Destination: Beyond Pluto
The extended mission isn’t yet approved, but the craft needed to move now or miss its window forever.
Everything You Need to Know About the First Comprehensive Study on Pluto
A tale of craterless plains and unusually shiny moons.
There Is Red Water on Pluto
NASA announced that it has discovered frozen water on Pluto, which also happens to have a blue atmosphere.