A new robotic submersible could unlock the mysteries of Greenland's underwater glaciers

They might be the front line of climate change; however, we still don't know much about what's going on at the underwater front of Greenland's glaciers. A planned robotic dive there could change that and expose some of the mysteries, hopefully revealing just how much these ice rivers will contribute to sea-level rise as a result of human-caused global warming. The new mission, led by researchers at The University of Texas, is set to launch in midsummer 2023 and will deploy a submersible robot to study three of Greenland's glaciers: Kangilliup Sermia, Umiammakku Sermiat, and Kangerlussuup Sermia, which are all located on the island's west coast. This is going to be the first time scientists will have a close-up look beneath Greenland's glaciers. The researchers will send a remotely operated submarine called Nereid Under Ice (NUI) to the glaciers' undersides, where they meet the ocean.