Mind-bending Discoveries from NASA's MESSENGER Spacecraft

Source NASA Science News for April 30, 2015

NASA's MESSENGER spacecraft crashed into Mercury on April 30th, ending a years-long mission that made many unexpected discoveries about the innermost planet. Today's story summarizes some of MESSENGER's most surprising finds.

The complete article can be found here: http://science.nasa.gov/science-news/science-at-nasa/2015/30apr_messenger/