Reporting on the ground under tight controls, they turned to open-source intelligence and visual forensics to help tell the story of Iran’s nuclear program. Sebastian Walker examining one of the ...

The U.S. faced two very different nuclear challenges across two continents Friday. For the first time since last year’s war with Iran, U.S. and Iranian diplomats restarted indirect talks over Tehran’s ...

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 ...

Following recent comments on nuclear testing by United States President Donald Trump and Russian leader Vladimir Putin, it’s more important than ever to remember that nuclear detonations — whether in ...

Add Yahoo as a preferred source to see more of our stories on Google. FILE PHOTO: A man holds a flag with a picture of late leader of the Islamic Revolution Ayatollah Ruhollah Khomeini, late Supreme ...

The mechanics of constructing a nuclear weapon are no longer a closely-guarded secret, and if a mid-sized country is hell-bent on building one, it is very difficult to stop it. Today, nine countries ...

NPR's Scott Simon speaks to Ariane Tabatabai, the Public Service Fellow at Lawfare, about the nature of Iran's nuclear program, and whether it, as President Trump has said, posed an "imminent threat." ...