The internet is once again going crazy with conspiracy theories after an image of a perfect 'square structure' was found on the surface of Mars. So grab your tinfoil hats, as it's time to investigate further. One of our closest planetary neighbours and likely the best contender to support human life in our solar system (after Earth, of course), Mars has long been a source of major fascination for humans. Major Hollywood blockbusters have seen humanity colonise it, H.G. Wells made it the home of hostile invaders and Donald Trump has even promised to plant the US flag on it....