Confronting its biggest threat in decades, the regime in Tehran is trying to boost its odds of survival if diplomatic talks fall through.

The Trump administration is closer to a major war in the Middle East than most Americans realize. It could begin very soon.

Iran’s leaders want to reach a nuclear deal with the U.S., but they are also rushing to prepare for war in case talks between the countries fail.

Fox News' Lucas Tomlinson reports the latest on the buildup as nuclear negotiations continue between the U.S. and Iran.

President Trump is being briefed on military options for striking Iran, even as aides hold talks with its regime.

A potential military strike on Iran could happen as soon as Saturday, according to top national security officials. President Trump has been putting military pressure on Iran to work out a nuclear

Barak Ravid reported earlier on Wednesday that “a U.S. military operation in Iran would likely be a massive, weeks-long campaign that would look more like full-fledged war"

The White House warned on Wednesday that Iran would be "wise" to do a deal with the United States as President Donald Trump once again hinted at military action."Iran would be very wise to make a