Old rover finds new evidence of water on Mars
10-year-old Opportunity reveals chemistry that could have supported life
![](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2014/01/mr_mars_feat_free.jpg?fit=860%2C460&ssl=1)
CRATER VIEW The 10-year-old Mars rover Opportunity casts a shadow over the planet’s Endeavour Crater, which holds traces of ancient water. The rover created this false-colored mosaic image in 2012 by combining pictures taken through different filters of its panoramic camera.
NASA/JPL-Caltech/Cornell/Arizona State Univ.