The north pole of Mars is slowly sinking under the weight of an ice cap that only formed within the past few million years. And, in the process, it's telling us something about what the planet's ...

If you've ever looked at Mars through a telescope, you probably noticed its two polar ... indicate the ice cap is young—well more than any other large-scale feature seen on the planet.

Together, the group has been able to determine the Red Planet’s interior structure and assess the age of its northern polar ice cap. The north pole of Mars is covered by a 1000-kilometre-wide, ...

The full disc of Mars is seen with the polar ice caps slightly off centre to the top left and bottom right. Clouds wrap around the planet’s curved horizons. Dark surface markings are clearly seen ...