Just how close is Iran to developing a usable nuclear weapon? That question is at the heart of the Iran-Israel conflict -- and one that's driving how President Donald Trump responds -- but Iran's nuclear capabilities are still very much shrouded in mystery.

Israel strikes Iran's nuclear facilities, but an expert cautions that the heavily protected Fordow site remains a dangerous threat that only U.S. military capabilities can neutralize.

Buried deep in a mountain, Fordo is where many analysts believe Iran has concealed clandestine efforts to work toward a nuclear weapons capability. There have been no reported Isr

An Israeli official said that "there's never a 100 percent guarantee," but "a nuclear disaster" should "not happen."

If the U.S. decides to support Israel more directly in its attack on Iran, one option for Washington would be to provide the “bunker-buster” bombs believed necessary to significantly damage the Fordo nuclear fuel enrichment plant,

Israel has escalated its bombardment of Iranian cities, including Tehran's state television headquarters; Iranian missiles have struck Tel Aviv.

Kyle Bass, Hayman Capital Management founder and CIO, joins 'Squawk Box' to discuss the latest developments in the Israel-Iran conflict, America's role in the conflict, and more.

Centrifuges at Iran's underground uranium enrichment plant at Natanz were likely to have been "severely damaged if not destroyed altogether" following Israeli strikes on Friday, the head of the global nuclear watchdog has told the BBC.