Mercury is the least explored of the four rocky planets in the inner Solar System. It wasn’t until 2011 that NASA’s MESSENGER ...

Much closer to the horizon and a distinct reddish color, the planet Mercury isn’t on most people’s observing lists. In fact, a professional astronomer last year told me it was impossible to ...

The BepiColombo mission, a joint endeavor by the European Space Agency (ESA) and the Japan Aerospace Exploration Agency (JAXA ...