SALTY STREAKS OF FLOWING WATER COULD MORPH MARS' SURFACE. Dark streaks on the surface of Mars may indicate that liquid water flows there today. A new study has revealed more detail about the changes these briny trails are causing on the Martian surface.
Recurring slope lineae (RSL) on Mars are seasonally abundant along the steep slopes of ancient bedrock in the Valles Marineris canyon region. Here, the RSL are depicted as bright fans that extend down the slopes. <br />