An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
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Jupiter's magnetosphere is the largest single structure inside the Solar System. If you could see it with your eyes, it would appear larger than our full Moon.
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The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
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Mars had an oxygen-rich atmosphere around 4 billion years ago
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On Titan, Saturn's largest moon, the atmosphere is so thick and the gravity so low that humans could fly through it by flapping "wings" attached to their arms.
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Sound doesn't travel in space.
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Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
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