there is evidence to show that there may, but we are still uncertain at the present time.
there is frozen water on mars some where under its surface
not on the surface but might be some under the surface of the planet...??
Earth has, and it's been suggested that Mars may have.
the phoenix lander is currently digging into ice under the surface to see if there actually is liquid water on mars.
Mars has no liquid surface water.
Mercury, Venus, Mars, Pluto have rock as surface Earth has water and rock as surface Uranus and Neptune have ice as surface(under the ice there's water) Jupiter and Saturn have no surface at all
100% of the surface of mars is land. There is no surface water on mars
Venus: Not much at all. Mars : Quite a bit in the form of ice, near the poles. Also probably some under the surface.
Although areas of Mars have the name "mare" (sea), there is no liquid water on the surface of Mars.
The robots sent to Mars have found Water Ice in large quantities on the surface of Mars.
mars
The Rover mission confirmed that Mars once had liquid water on its surface.