Mars’ thick crust may have been a hidden engine of geological activity, producing granitic magmas and sustaining underground ...

When the cosmos' first stars exploded in spectacular supernovas, they may have unleashed enormous amounts of water that flooded the early ... and below the surface of Mars, inside the ice caps ...

If the findings hold up, the buried shorelines tell a compelling story of the last days of oceans on Mars. Based on the ...

Mars, even to the casual observer, bears a striking resemblance to Death Valley in satellite imagery, featuring sand dunes, salt flats, and playas. Like Death Valley, the Martian surface is actively ...