New images of the planet Mercury taken by a robotic spacecraft have just been released — and they show the scorched world in fascinating up-close detail. The European Space Agency (ESA ...

A European-Japanese spacecraft has beamed back some of the best close-up photos yet of Mercury's north pole as part of only the second human survey of our solar system's innermost planet.

Mars, Jupiter, Uranus, Venus, Neptune, Mercury, and Saturn will all align in a celestial spectacle known as a 'planetary parade'. This will be the last time such a clear view of all seven planets ...