Critics say growing use of total return swaps is piling on risks for cash-strapped countries and their creditors

Meeting with US Treasury secretary comes as latest AI system has detected decades-old vulnerabilities

Iran wants to receive tolls on oil tankers in cryptocurrency to ensure that they can’t be traced or confiscated because of sanctions

When Iranian long-range Shahed drones first appeared over Ukrainian cities in 2022, they seemed to represent a new phase of the relationship between Russia and Iran. ...habits of cooperation that were built and refined over the course of the war in Syria, from around 2015, had evolved, by the time Russia invaded Ukraine, into a partnership.

For Iran’s theocratic rulers, just surviving the U.S.-Israeli onslaught means victory. But the seeds of their next crisis may already be planted.