Is there water on Mars?
Scientists have determined signs of water in rock layers. In 2006, the scientists saw new deposits of sediment on the floor of Mars. These sediments had now not been there six years earlier. According to scientists at NASA, this is the strongest proof so a long way that water still flows every now and then on the surface of Mars, though different scientists say the sediments could have been deposited via carbon dioxide frost or motion of dust. Samples of the minerals haematite and goethite have also been found in Mars. These minerals are sometimes shaped in the presence of water.
