A Chinese rover has brought forth evidence that hints at the likelihood of a massive ocean, covering almost a third of the Red Planet, that existed billions of years ago.
China's Zhurong rover, equipped with a ground-penetrating radar system, identified irregular polygonal wedges located at a depth of about 35 meters all along the robot's journey.
China’s first Mars rover safely touched down Friday and began sending data back to Earth, joining the United States as the only two nations to successfully land and operate a spacecraft on the surface of Mars.