The link you followed will bring you to this page:

http://www.agi.it/estero/notizie/201309262015-est-rt10313-curiosity_trova_acqua_su_superficie_marte_suolo_ne_contiene_molta?fb_action_ids=10151872086097528&fb_action_types=og.likes&fb_source=other_multiline&action_object_map=%7B%2210151872086097528%22%3A384799224982418%7D&action_type_map=%7B%2210151872086097528%22%3A%22og.likes%22%7D&action_ref_map=%5B%5D