There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
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In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
Sound doesn't travel in space.
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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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An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
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The ashes of the man who discovered Pluto are currently en route to dwarf planet, scheduled to arrive on the 14th of July, 2015.
11
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
13