NASA’s InSight lander has deployed its first instrument onto the surface of Mars, completing a major mission milestone. New images from the lander show the seismometer on the ground, its ...

For the past several weeks, NASA’s InSight lander has been making adjustments to the seismometer it set on the Martian surface on Dec. 19. Now it’s reached another milestone by placing a domed shield ...

Tracking marsquakes with a single seismometer, scientists uncover Mars's internal structure, informing us about its past and potential for future exploration.

Here's one of the cool things you learn when you land a seismometer on another planet: Mars's days are getting shorter. Or to put it another way, the planet is spinning faster. That was discovered ...

For this next story, we go to the South Pole, where scientists have placed two seismometers 8,000 feet below the ice cap. These super-sensitive instruments will be used to measure earthquakes and ...

HOUSTON — The French Seismic Experiment for Interior Structure, one of three key instruments planned for launching aboard the NASA-led 2016 InSight Mars lander mission, has experienced a vacuum ...