The withdrawal of international inspectors comes amid heightened concerns that Iran, battered by Israeli and U.S. strikes, may be driven to try to build a nuclear bomb.

The Department of Defense (DOD) estimates that Iran’s nuclear program has been set back at least a year after the U.S. military bombed three vital nuclear sites last month. Chief Pentagon sp… ...

This series of articles examines why today’s nuclear landscape is more complicated and, in many ways, more precarious than during the Cold War.

WASHINGTON — One of the three nuclear enrichment sites in Iran struck by the United States last month was mostly destroyed, setting work there back significantly. But the two others were not as ...

Iran's nuclear program knocked back 'closer to 2 years,' Pentagon says That assessment is much more optimistic than the U.N.'s nuclear watchdog.

The V.C. Summer nuclear power plant has federal government’s approval to continue operating until 2062 after a new license was authorized recently.

A record-breaking heat wave in Europe is warming up the river water that some nuclear power plants use for cooling, prompting operators to shut down at least three reactors at two separate sites ...

President Trump rejected a military plan for more comprehensive strikes on Iran’s nuclear program that would have lasted weeks, NBC News has also learned.

Iran has a long history of enriching uranium in an effort to develop nuclear weapons. It’s not clear how far the US attack set back Iran’s production of bomb-grade uranium.

The US is preparing to authorize giving Israel B-2 stealth bombers and 30,000-pound, 20-foot-long "bunker buster" bombs if Iran resumes its nuclear weapons program, under a new bill proposed by a ...

The B-2 Spirit bomber pilots and crew involved with the strikes on Iran's nuclear facilities last month have been invited to attend a July 4 celebration at the White House, but it's not clear what ...

Bipartisan lawmakers propose transfer of B-2 bombers and bunker buster bombs to Israel if Iran continues nuclear weapon development after recent U.S. strikes.