Mercury is about 2.6 times smaller than Earth. How hot is Mercury? Mercury's sun-facing side is scorched by temperatures of around 430°C, hot enough to melt lead. Without a substantial atmosphere to ...

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 ...

Mercury retrograde doesn't have to suck ... This is due to the speed of Earth’s rotation and the planet’s distance from us. While the Earth is not the center of our solar system, it is ...

Flying 295 km above Mercury, it photographed icy craters, volcanic plains, and the planet's largest impact crater. Mercury reflects two-thirds less light than Earth's Moon, making its surface ...