Though Mercury may look drab to the human eye, different minerals appear in a rainbow of colors in this image from NASA's MESSENGER spacecraft. This visual may only be used in conjunction of ...

BepiColombo also passed right over Mercury's north pole. The spacecraft sent back a series of stark images, including photos of the perpetually shadowed Prokofiev, Kandinsky, Tolkien and Gordimer ...

This is an image of Mercury's tail obtained from combining a full day of data from a camera aboard the STEREO-A spacecraft. The reflected sunlight off the planet's surface results in a type of ...