The 3.5-billion-year-old shoreline provides evidence of an ancient ocean in Mars’ northern hemisphere as well as sea-level rise.
![Massive shoreline hints at an ancient ocean on Mars](https://www.advancedsciencenews.com/wp-content/uploads/2022/11/Mars.jpg)
The 3.5-billion-year-old shoreline provides evidence of an ancient ocean in Mars’ northern hemisphere as well as sea-level rise.
How does Pluto’s “beating heart” determine wind patterns on its surface?