NASA's Mars Reconnaissance Orbiter found abundant water beneath the plains on Mars.
For a time, scientists thought there is flowing water on Mars -- they could be wrong.
Mar salt was discovered in the Martian surface, solving the mystery on how the water on the planet becomes liquid to change its landscape.
NASA has made plans to announce that there is in fact flowing water on Mars, a massive discovery on the Red Planet, in a live conference on Sept. 28.
