Iran and the United States said Wednesday they were going ahead with nuclear talks in Oman later this week. There are several ways to build a nuclear weapon. This videographic shows the process used ...

Iran — which denies having any nuclear weapons ambitions — has amassed a stockpile of uranium that is enriched to near the level of purity necessary to build a bomb. Mr. Trump ordered strikes on a ...

Washington — President Trump ordered military strikes on Iran early Saturday, Feb. 28, after pressing the country to curtail its nuclear program, grappling with an issue that has vexed presidents from ...