... Mars . ... Observing . ... Images suggest mud flows on Mars . Images taken several years apart show recent mud flows in gullies on Mars. ... F orget about water flowing on ancient Mars scientists reviewing images from Mars Global Surveyor say it looks like water is flowing there today. ... Scientists found the water flows by comparing images taken 6 or more years ago with new pictures relayed in the past 2 years. ... Only registered members of Astronomy.com are allowed to comment on this article. ...