Is something amiss with Zhurong, China’s first Mars rover? The vehicle was supposed to come out of its months-long hibernation last month, but the Chinese space agency has been tight-lipped about its status, leading some researchers to speculate that it might not have survived the harsh Martian winter and dust storms.

“It wouldn’t be surprising for the rover to fail to come out of hibernation because it is solar-powered, and there’s a long history of solar-powered landers and rovers on Mars running out of power,” says David Flannery, an astrobiologist at Queensland University of Technology in Brisbane, Australia. He is part of the team working on NASA’s Perseverance Mars rover, which runs on nuclear power. Last month, researcherssaid goodbye to NASA’s solar-powered InSight lander, which succumbed to a dust storm.

To read more, click here.