From the nitrogen in our DNA, to the calcium in our teeth, the iron in our blood, to the carbon in our apple pies - all were made in the interiors of collapsing stars; we're all made of stardust.
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If NASA sent birds into space they would soon die; they need gravity to swallow.
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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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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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Not only are there rogue planets floating through space completely alone, not orbiting any stars, but it’s possible that these pitch-black lonely planets support life.
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It 'snows' metal on Venus.
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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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An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
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