
: Log in Email Password Remember me Your login is case sensitive I have forgotten my password Register now Activate my subscription Institutional login Athens login close My New Scientist Home News In-Depth Articles Blogs Opinion TV Galleries Topic Guides Last Word Subscribe Dating new Look for Science Jobs SPACE TECH ENVIRONMENT HEALTH LIFE PHYSICS MATH SCIENCE IN SOCIETY Rolling stones could mean Mars still rocks 23:06 21 February 2012 Life Space Lisa Grossman Rocks sometimes fall down slopes on Mars but why Image : NASA JPL U of Arizona Mars's surface may shake with powerful quakes today , a new study suggests . If so , the planet may still be geologically active , which could be a boon to . life Conventional wisdom holds that the Red Planet ceased all its internal rumblings and