Is the Best Time to Spot Mercury . In the early morning, Mercury will rise before the Sun and hang low in the east close to ...

The European Space Agency (ESA)'s Solar Orbiter mission has obtained a stunning high-res image of the sun's upper atmosphere.

As Venus and Mercury exit the stage, a few remnants of the "planetary parade" will be visible after sunset. With Saturn already lost in the sun from Earth's point of view as it moves behind the ...

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.