During the 2022 summer melt season, sediment plumes and fractured sea ice traced swirling eddies in a branch of the Nansen Sound fjord system in the Canadian Arctic.
Lake Unter-See in Antarctica, sealed beneath thick ice, contains unusually high levels of dissolved oxygen and cone-shaped microbial reefs resembling some of Earth’s oldest fossils.
The bigger the hailstone, the more damage it can cause. But scientists find that predicting hailstone size can be challenging. How quickly does hail melt as it falls? Now, you can help tackle this question by joining the SouthEAst REgion CoCoRaHS Hail (SEaRCH) project.