Researchers say discovery of stains from summertime flows down cliffs and crater walls increases chance of finding life on red planet
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/nasa-scientists-find-evidence-flowing-water-mars
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/guardian-uk
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/science-and-technology
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/nasa
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-resources
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/scientists
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/planets