A team of researchers has found what may once have been the most liveable mud on Mars. Some of the oldest minerals ever analysed by NASA's Mars Opportunity Rover show that around four billion years ago Mars had liquid water so fresh it could have supported life.This before-and-after pair of images of the same patch of ground in front of NASA's Mars Exploration Rover Opportunity 13 days apart documents the arrival of a bright rock onto the scene. The rover had completed a short drive just before taking the second image, and one of its wheels likely knocked the rock -- dubbed "Pinnacle Island" -- to this position. The rock is about the size of a doughnut.
Read more about Live Mars Briefing: Most Liveable Mud On Mars, Fresh Martian Water Could Have Supported Life
Read more about Live Mars Briefing: Most Liveable Mud On Mars, Fresh Martian Water Could Have Supported Life
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