NASA rover finds 'clearest evidence yet' of an ancient lake on Mars

In the foothills of a Martian mountain, NASA's Curiosity rover found stunning new evidence of an ancient lake in the form of rocks etched with the ripples of waves — and the telltale signs appeared in an unlikely place.

source https://www.cnn.com/2023/02/10/world/mars-nasa-curiosity-rover-ancient-waters-scn/index.html