InSight finds frigid Mars has molten core
French seismometer detects first likely “marsquake”
InSight Mars lander deploys seismometer shield
NASA’s InSight mission lands on Mars to study planet’s hidden interior
InSight lander’s troubled seismometer passes major test
A balky interplanetary seismic instrument that ran into technical problems in 2015, forcing a two-year delay in the launch of NASA’s InSight lander to Mars, cleared a major test last month after engineers redesigned part of the sensor package, boosting confidence that the mission will be ready to blast off in May 2018.