Now, some might argue there is no good reason to believe that Mercury, the planet closest to the sun, actually impacts individual human behavior here on Earth. And yet! Mercury retrograde remains ...

On Mercury, craters are named after “artists, musicians, painters and authors who have made outstanding or fundamental ...

Mercury has the shortest and fastest orbit around the Sun and experiences dramatic temperature changes as it rotates. It is a world of extremes. Explore facts about our solar system's fastest planet.

As it circled it, it snapped these incredible images of one of the Solar System's most mysterious planets. BepiColombo is Europe's first mission to Mercury. It relies on two different orbiters ...