A Chinese Mars rover may have found evidence of an ancient ocean on the arid Red Planet. According to a new paper in the journal Scientific Reports, China's Zhurong rover has discovered traces of special features that could indicate an ocean existed long ago around Mars' Utopia Planitia region—located in its Northern Hemisphere.

Mars might still have some recently discovered seismic activity, but it is still very much considered mostly a dead planet. However, while humanity’s rovers have yet to discover any definitive signs of life on the Martian surface,