Nasa's InSight spacecraft, the first robotic lander designed to study the deep interior of a distant world, touches down safely on the surface of Mars with instruments to detect planetary seismic rumblings never measured anywhere but Earth.
Nasa's InSight spacecraft, the first robotic lander designed to study the deep interior of a distant world, touches down safely on the surface of Mars with instruments to detect planetary seismic rumblings never measured anywhere but Earth.
