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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In the last 7 years, humanity has discovered 43 potentially habitable planets.
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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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Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
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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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