In the last 7 years, humanity has discovered 43 potentially habitable planets.
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If NASA sent birds into space they would soon die; they need gravity to swallow.
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MDIF, a New York based non-profit organisation, is planning to beam free Wi-Fi to the entire world from space.
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There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
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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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Mars had an oxygen-rich atmosphere around 4 billion years ago
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