A low-density, weak-gravity region has been found below Olympus Mons and the Tharsis volcanoes, while Mars' northern ...

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At 13.6 miles (21.9 kilometers) tall, Olympus Mons climbs so high into the Martian sky that its caldera pokes out of Mars' atmosphere and into space. Olympus Mons is joined by three other large ...

Studies on Mars have revealed hidden structures and dense areas beneath old ocean beds, influencing the volcanic activity of ...

We know Mars once had an active geological past, filled with water, volcanic activity, and dynamic geological changes. Now, ...

The findings revealed that the the Martian mantle's active processes may be fueling the growth of Olympus Mons, the largest ...

Flexural isostasy states that this massive region should force the planet's surface downward. But the reverse is true.

A rising plume of magma under Mars’ Tharsis volcanic region could one day trigger a colossal eruption. This new discovery ...

Recent studies have uncovered mysterious structures beneath Mars' surface. These findings, led by Bart Root of Delft ...

The other major feature Root presented comes from Tharsis Rise, the part of Mars most contrasting with the polar lowlands.

A new study of Mars' gravitational field has revealed mysterious structures hiding beneath the sediment layers of a lost ...