There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
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If aliens located 60-65 million light years away from us, looked at earth through a really powerful telescope today, they would see dinosaurs!
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If two pieces of metal touch in space, they become permanently stuck together.
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The Sun and Moon appear to be the same size because the moon is 400 times smaller than the Sun, but 400 times closer to Earth.
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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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Astronauts cannot burp in space.
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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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An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
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