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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It 'snows' metal on Venus.
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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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The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
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There are more nerve cells in the human brain than there are stars in the Milky Way.
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A comet's tail always points away from the sun.
2