NASA launched the InSight lander to study the deep interior of Mars. It focused on the mantle, core, and seismic activity called marsquakes. Although the lander stopped working, it provided scientists ...

NASA InSight lander snapped this selfie when its solar panels were still clean from dust. NASA’s InSight lander was a very different mission from the space agency’s famous wheeled Mars rovers. It ...

(CNN) — Here’s a look at the exploration of Mars. The United States, Soviet Union and China are the only three countries to land a spacecraft on Mars. There have been nine successful US Mars landings: ...