A colossal meteorite struck Mars. Then NASA made an even bigger discovery. - Mashable

A colossal meteorite struck Mars. Then NASA made an even bigger discovery.  MashableA space rock slammed into Mars on Christmas Eve. It revealed a hidden surprise  CNNEnormous meteor strike blows 500 foot-wide crater into Martian surface  Digital TrendsInSight Felt the Ground Shake From a Meteorite Impact on Mars  Universe TodayNew impact crater on Mars uncovered 'hidden' cache of ice  msnNOWView Full Coverage on Google News