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

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

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

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

Out of This World Mars, unlike other planets in the Solar System, has a triaxial shape, meaning that the red planet is not a ...

An astronomer at the U.S. Naval Observatory has developed a hypothesis to explain the unique shape and terrain of Mars. He ...

Unlike the other planets in the solar system, Mars is distinctly triaxial, meaning it is an ellipsoid with different sizes ...

Olympus Mons is located in the Tharsis Montes region near Mars' equator - and scientists estimate that it hasn't erupted for ...

The image above shows a striking cloud pattern sculpted by gravity waves, which are common ripples in both Mars' and Earth's ...

Astronomers have traced the origins of 200 meteorites to five impact craters in two volcanic regions on Mars, known as Tharsis and Elysium. Believe it or not, debris from Mars has frequently made ...

Studies of gravity variations at Mars have revealed dense, large-scale structures hidden beneath the sediment layers of a ...