There are 5 to 10 times more stars in the known Universe than there are grains of sand on all the world's beaches, but a single grain of sand has more atoms than there are stars in the known Universe.
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Mars had an oxygen-rich atmosphere around 4 billion years ago
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It would take more than 150 years to drive a car to the sun.
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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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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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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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