Massive discovery of Martian ice: a new clue to the history of the red planet

(Phys.org) The newly discovered ice sheets buried one kilometer below the north pole of Mars are the remains of ancient polar ice sheets and could constitute one of the largest reservoirs of water in the world. the planet, according to scientists from the University of Texas at Austin. the University of Arizona.

The team made the discovery using measurements collected by the Shallow Radar (SHARAD) on NASA's Orbiter Mars Reconnaissance Orbiter (MRO). SHARAD emits radar waves that can penetrate up to one and a half kilometers below the surface of Mars.