There is a mass reservoir of water floating in space that is 100,000 times bigger than our sun and holds 140 trillion times more water than all of our oceans.
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Earth is the only planet in our solar system that's not named after a god or goddess.
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There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
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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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Mars had an oxygen-rich atmosphere around 4 billion years ago
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