Earth is the only planet in our solar system that's not named after a god or goddess.
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Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
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Mars had an oxygen-rich atmosphere around 4 billion years ago
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MDIF, a New York based non-profit organisation, is planning to beam free Wi-Fi to the entire world from space.
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According to a study by the National Science Foundation, only half of Americans believe in evolution, and one in 4 don't know that the Earth orbits the Sun.
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There are more nerve cells in the human brain than there are stars in the Milky Way.
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The Sun and Moon appear to be the same size because the moon is 400 times smaller than the Sun, but 400 times closer to Earth.
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