An international team of astronomers has spotted the farthest known gravitational lens and, as Albert Einstein predicted, it is a galaxy that deflects and intensifies the light of a much further object.
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If two pieces of metal touch in space, they become permanently stuck together.
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The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
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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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A comet's tail always points away from the sun.
2
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
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NASA invented baby food as we know it today.
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