Mercury
Mercury may have harbored an ancient magma ocean
February 21, 2013
Massive lava flows may have given rise to two distinct rock types on Mercury’s surface.
Scientists discover water ice on Mercury
November 29, 2012
Ice and organic material may have been carried to the planet by passing comets.
A close-up view of Mercury
March 22, 2012
Researchers find the planet may have had a dynamic past.


