Take note that a lot of water that can be seen on Mars are in forms of ice. There are still some experts who are positive about it. They feel that this is the sign that they are looking for that it is possible to live in Mars. Just last July, there are some reports that there may be a liquid lake somewhere in Mars.
A lot of people are getting interested in it. Out of all the planets in the solar system, Mars is known to be the most possible to live in. Take note that its atmosphere is still very much different as compared to what can be seen on earth but it may have some future in the long run.