Marsquakes happen more often during the planet's northern summer

Quakes aren't unique to Earth – a lander has detected more than 700 of them on Mars. And new research shows that some of them may occur seasonally. The NASA InSight lander, which touched down on the Red Planet in November 2018, brought seismometers and placed them on the surface using a robotic arm. These instruments have been gathering information since shortly after the landing. "It's really cool that we're finding so many marsquakes, and there's so much about this planet that we're …