Deep under a mountain, just a short distance from the Shiite holy city of Qom, an Iranian nuclear facility is in operation ...

Follow MailOnline's live coverage of the Israel-Iran conflict as Donald Trump says he will make a final decision within the ...

If Trump bombs Iran's Fordo nuclear enrichment site, the main risk would be from the Massive Ordnance Penetrator bomb itself rather than radiation or chemicals.

President Donald Trump is contemplating U.S. military action in the Israel-Iran conflict, with a decision expected within two ...

No nuclear weapon has been deployed in war since the U.S. dropped atomic bombs on Hiroshima and Nagasaki in Japan in 1945, ...

Dozens of American planes have left the Al Udeid airbase in Qatar as President Donald Trump weighs joining Israel's strikes ...

Iran's most fortified nuclear facility, called Fordo, is buried deep inside a mountain. Only the U.S. has the 30,000-pound ...

US-Iran tensions may escalate into conflict, risking regional energy assets and Strait of Hormuz access, pushing oil to $150.

An attack on a key Iranian nuclear facility might not be effective, even if the U.S. military's massive bunker-buster bombs are used, a national security expert familiar with Iran's program said.

A U.S. attack on Iran's key underground nuclear facility would not be a guaranteed success, according to a national security ...

Russia said the use of a tactical nuclear weapon by the U.S. in Iran would be "catastrophic" after a report that it had not ...

The first bomb would be dropped at a 45-degree angle to maximize penetration. The second bomb would immediately follow.