An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
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If you were to cry in space, the tears would form a bubble in your eye until it's so big it moves to another spot on your face.
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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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The center of the galaxy tastes like raspberries and smells like rum, according to astronomers.
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When a massive power outage struck southern California in the 1990s, Los Angeles residents reportedly called 911 to express alarm about strange clouds hovering overhead; they were seeing the Milky Way for the first time.
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In 1859, the largest known geomagnetic storm struck the Caribbean, causing an aurora and telegraphs could even operate without a power source.
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