Seasons Change on Mercury, MESSENGER Discovers

The American space agency's MErcury Surface, Space ENvironment, GEochemistry and Ranging (MESSENGER) space probe is currently orbiting around in the inner solar system, on a course that will set it into Mercury's orbit in early 2011. The probe has just recently completed its third a... [ read more >> ]

This enhanced-color view shows a region of Mercury's surface that appears to have experienced a high level of recent volcanic activity

Image comment: This enhanced-color view shows a region of Mercury's surface that appears to have experienced a high level of recent volcanic activity
Image credits: NASA / JHU / APL

This enhanced-color view shows a region of Mercury's surface that appears to have experienced a high level of recent volcanic activity