A rare Martian meteorite has revealed complex volcanic processes and mantle heterogeneity on Mars, offering new clues to the planet’s magmatic evolution and thermal history. In a groundbreaking ...

The arrow points to an ancient "bomb sag" on Mars, a crater produced when a Martian rock blasted into the air by a volcanic eruption 3.5 billion years ago fell back to the ground.

For decades, scientists have puzzled over why Earth stayed warm and alive while Mars turned cold and dry. Both planets began ...

Mars, which is about half the diameter of Earth, lost heat from its core more rapidly, which slowed down and ultimately – as far as we can tell – stopped Mars' volcanic activity.

Mars is home to the tallest mountain in the Solar System, Olympus Mons, an extinct volcano three times as tall as Mount Everest. There are several other examples of volcanoes and volcanic features ...

Figure 2. Newly discovered giant volcano is located in the “middle of the action” on Mars. Topographic map showing the iconic location of the Noctis volcano between the largest volcanic and canyon ...