Quakes on Mars Reveal We Were Wrong About Its Core

Two new papers show a 150 kilometer-thick layer of molten silicate rock at the base of the mantle envelopes Mars' liquid iron-alloy core.

InSight lander has Mapped out the Interior of Mars

he InSight team has found that the Martian crust is thinner then expected (20 to 37 km) and its core is liquid with radius of about 1830 km.