Follow live NBC News coverage and latest updates as Trump says oil price rises are a small price to pay, Iran names Mojtaba Khamenei supreme leader, and Israel strikes Tehran and Lebanon.

President Trump says the U.S. has diminished Iran's military and regime and will continue to expand its targets inside Iran.

Iran’s retaliation against the Gulf has infuriated Arab governments. Qatar’s prime minister described the Iranian attacks as ...

The A.I. company filed two lawsuits — one in the U.S. District Court in the Northern District of California and one in the D.C. Circuit Court of Appeals — accusing the Pentagon of using the supply ...

The United States has begun a large military exercise with South Korea involving thousands of troops while also waging an escalating war in the Middle East.

Mojtaba Khamenei, a son of Iran's late supreme leader, has been named as the Islamic Republic's next ruler, authorities announced, as Tehran widened its attacks across the Mideast to strike oil and ...