MESSENGER last year revealed another side of Mercury, color-enhanced to show the differences in surface geology. NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of ...

A U.S. spacecraft beamed hundreds of photos of Mercury back to Earth on Tuesday after a close encounter with the planet closest to the sun. The images show scientists never-before-seen landscapes on ...

Using colorized topography, Mercury's 'great valley' (dark blue) and Rembrandt impact basin (purple, upper right) are revealed in this high-resolution digital elevation model merged with an image ...