PUBLISHED: October 8, 2015 19:30 Mars crater 'used to contain lakes that existed for thousands of years'A Martian crater now being explored by the Nasa rover Curiosity once contained lakes that… http://www.shropshirestar.com/news/uk-news/2015/10/08/mars-crater-used-to-contain-lakes-that-existed-for-thousands-of-years/