In 2022, she conducted her usual rounds of sampling and assessment on the 10 representative lakes that her and her colleagues routinely visit. Everything was generally as expected–slowly ...

Following two months of record heat and precipitation in fall 2022, an estimated 7,500 lakes in West Greenland turned brown, began emitting carbon and decreased in water quality in less than a year.

Earlier missions, beginning with Opportunity in 2004, discovered ripples formed by water flowing across the surface of ancient Mars, but it was uncertain if that water ever pooled to form lakes or ...