AMOC slowdown and Greenland impacts: A new study warns the Atlantic Meridional Overturning Circulation may be near a “point of no return,” with a growing chance of collapse that could reorganize storms—boosting some storminess far from the Atlantic while reducing storm activity over Greenland and the Arctic later this century. Greenland shark vision: UC Irvine researchers report Greenland sharks likely aren’t blind; the animals appear to track light, and the work is pointing to DNA mechanisms that may help explain how these long-lived sharks maintain vision for centuries. Arctic science and mapping: China is launching its biggest Arctic expedition yet, sending four research vessels toward the Gakkel Ridge near the Greenland–Siberia boundary to study seafloor change, volcanism, and how geology may shape regional climate. NATO and Greenland geopolitics: Coverage from the Ankara summit highlights renewed pressure around Greenland and broader alliance tensions, with Trump’s Greenland demands and defense spending disputes playing out alongside pledges to strengthen European-led deterrence. Greenland rare-earth momentum: Greenland Mines says IP Australia has granted a patent tied to its Klotho gene-therapy platform, adding to its biotech intellectual property as the company continues building its Greenland-linked development pipeline. Greenland tourism on the move: A guide rounds up standout glacier hikes in Greenland, including routes near Ilulissat Icefjord and other ice-rich landscapes.