Add Yahoo as a preferred source to see more of our stories on Google. The BepiColombo spacecraft made the "closest flyby of a planet ever" when it flew by Mercury, according to ESA. See time-lapsed ...

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Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. The craters of Mercury's ...

If you were to ask anyone what they knew about Mercury, chances are you would be met with some pretty generic responses, such as how it’s the closest planet to the Sun, how the planet is quite small, ...