The moon is actually moving away from Earth at a rate of 1.5 inches per year.
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Neil Armstrong, the first man to step foot on the moon, carried with him a piece of cloth and wood from the original 1903 Wright Flyer.
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The heart of an astronaut actually gets smaller when in outer space.
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Today's top fuel dragsters take off with more force than the space shuttle.
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Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
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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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A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
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