Hidden Deep Beneath Mars, Scientists Find Evidence of a Vast Magmatic System

Mars has a hidden temperature divide, with its southern interior potentially hundreds of degrees hotter than the north and partially molten. The discovery could help explain several long-standing Martian mysteries, including unusual magnetism, seismic behavior, and clues to the…

Mars may have built a surprisingly complex crust through large magmatic systems without the plate tectonics long thought necessary. Mars has no moving tectonic plates, yet deep beneath its surface may lie evidence of the kind of vast, interconnected magmatic systems once thought…