Curiosity rover finds patches of rock record erased, revealing clues

Pasadena CA (JPL) Jul 12, 2021

Today, Mars is a planet of extremes - it's bitterly cold, has high radiation, and is bone-dry. But billions of years ago, Mars was home to lake systems that could have sustained microbial life. As the planet's climate changed, one such lake - in Mars' Gale Crater - slowly dried out. Scientists have new evidence that super salty water, or brines, seeped deep through the cracks, between grains of