Summary:
- Scientists have discovered evidence of an ancient beach on the surface of Mars, providing clues about the planet's past climate and potential for supporting life.
- The beach-like features suggest that Mars once had a large body of water, possibly an ocean, that has since dried up over billions of years.
- The discovery of this ancient beach adds to the growing evidence that Mars was once a more hospitable environment, with the potential to have supported microbial life in the past.