"The small deformation rates indicate that the upper mantle of Mars is cold, highly viscous and much stiffer than Earth's upper mantle," she said. So how can measurements of ice weighing down ...

The study suggests that the Martian mantle’s active processes might be ... and its surrounding area are supported. It suggests that Mars might still be experiencing active internal movements.

It is the first robotic explorer to study in-depth the crust, mantle and core of Mars If we found evidence of oxygen in the atmosphere of another planet, it could indicate the presence of life forms.