Dr. Eggman (932300) writes "According to NASA.gov Images suggest water still flows in brief spurts on Mars. As seen in these photos a new gully deposit was noticed in the crater Terra Sirenum that formed sometime between when it was photographed in 2002 and again in 2005. From the article:
"These fresh deposits suggest that at some places and times on present-day Mars, liquid water is emerging from beneath the ground and briefly flowing down the slopes. This possibility raises questions about how the water would stay melted below ground, how widespread it might be, and whether there's a below-ground wet habitat conducive to life. Future missions may provide the answers,""