There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
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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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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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An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
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It would take more than 150 years to drive a car to the sun.
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If NASA sent birds into space they would soon die; they need gravity to swallow.
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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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