Iran has conveyed to Washington that it will respond firmly to the United States if it becomes directly involved in Israel's military campaign, the Iranian ambassador to the United Nations in Geneva ...

"That would be very, very dangerous for everybody," Iran’s Foreign Minister said of a potential U.S. involvement.

The United States’ involvement in the fighting between Iran and Israel, which Israel started on June 12, has also sparked concerned comparisons with the eight-year war the U.S. waged in Iraq ...

The US entered the Israel-Iran conflict Saturday, striking the Fordow, Natanz and Isfahan nuclear facilities in Iran. Iran has since retaliated, targeting the US Al Udeid Air Base on Monday in ...

U.S. involvement in Iran now appears imminent, with American naval vessels expected to arrive in the Middle East within two weeks. But should the U.S. intervene?

The president's comments came after other top officials said replacing the leadership in Tehran was not the aim.

The U.S. bombed three nuclear facilities in Iran on June 21 after negotiations failed to reach a deal for Tehran to end its nuclear program. USA TODAY readers have lots of questions about the ...

President Donald Trump is growing increasingly warm to using US military assets to strike Iranian nuclear facilities and souring on the idea of a diplomatic solution to end Tehran’s escalating ...

Two American destroyers have launched missile interceptors over the past few days, a US official told Business Insider. Another one just arrived.

The United States launched attacks on three nuclear sites in Iran on Saturday, June 21, President Donald Trump announced on ...