By Patricia Zengerle WASHINGTON, Feb 20 (Reuters) - The U.S. Congress could vote as soon as next week on whether to block ...

Iran's supreme leader warned Sunday that any attack by the United States would spark a "regional war" in the Mideast, further escalating tensions as President Donald Trump has threatened to militarily ...

Iran has issued one of its strongest warnings yet to the United States. While saying negotiations are still possible, Tehran is making it very clear — Iran says it is fully prepared for war. With ...

Iran and the United States held high-stakes talks in Oman on Friday over Tehran’s nuclear program, as a dispute over the agenda, most notably differences over Iran’s formidable missile program, ...