An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
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Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
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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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It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
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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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The center of the galaxy tastes like raspberries and smells like rum, according to astronomers.
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