Mars, the enigmatic Red Planet, has long puzzled scientists with a dramatic geological contrast between its hemispheres, known as the Martian dichotomy. The planet’s southern highlands tower five to six kilometers above the smooth,

Data collected by NASA's InSight lander suggest that ancient internal processes are responsible for the "Martian dichotomy" that splits the Red Planet into two distinct halves.

The contrast between two clusters of marsquakes has led two scientists to suspect the internal structure of the Red Planet is quite different between the northern and southern hemispheres. If so, this would be crucial,