How far do deer go in a year? These scientists are tracking the ultimate border crossers

In the early hours of March 4, 2026, in international waters off the coast of Galle, Sri Lanka, the USS Charlotte, a Los Angeles–class nuclear-powered attack submarine, closed in on the IRIS Dena, a new Iranian Moudge-class frigate. Key points The US Navy has struck and sunk Iran’s unarmed IRIS Dena frigate The ongoing US–Iran war is not legal by domestic or international standards, drawing scrutiny to America’s actions Canada built its defence on interoperability with a US that followed rules-based order—but that might be gone now Submerged, the Charlotte fired a heavyweight,...