Solar System
A guide to the planets and moons of our Solar System, including the space missions and observations that are revealing its many secrets.
NASA has just released a jaw-dropping video of a spacecraft's view as it zoomed past Mars. You've got to see this
Views of Mars captured by NASA's Psyche mission
Jupiter's strange icy moon has a secret ocean, making it one of the best places to search for life in our Solar System
Facts about Jupiter's icy moon Europa, one of the best places to search for life beyond Earth in our Solar System.
The planet that lost its crown. 28 amazing facts about Pluto, the icy world on the edge of the Solar System
Facts about Pluto, the dwarf planet in the Kuiper Belt
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This large moon has the most battered surface in the Solar System – and NASA could put a base on it. Amazing facts about Jupiter's moon Callisto
Facts about Jupiter's moon Callisto, the third largest moon in the Solar System and the most heavily-cratered object.
It's cracked and frozen, but it's one of the best places to search for alien life. Meet Saturn's icy moon Enceladus
Facts about Saturn's icy moon and its subsurface ocean
