The U.S. and Iran are signaling they're prepared for war if talks on Tehran’s nuclear program fizzle out, as a second U.S. aircraft carrier nears the Middle East.

The head of the U.N. nuclear watchdog agency says Iran's enriched uranium "is still there," as he stresses the urgency of diplomacy to avert a U.S.-Iran war.

The second round of talks in Geneva about Iran's nuclear program takes place as the United States ramps up its military presence in the Middle East and Iran holds large-scale maritime exercises.

Texas Sen. Ted CRuz told FOX News on Thursday night that "it is entirely possible that in the next six months we’ll see regimes fall in Iran, in Venezuela, and in Cuba." "And we could also see governments replace them that want to be friends with the United States of America,

The Iranian naval drill and the arrival of the USS Gerald R. Ford aircraft carrier near the mouth of the Mediterranean Sea underscore the tensions between the nations.

WASHINGTON, Feb 20 () - The United States did not seek zero uranium enrichment in nuclear talks this week and Iran did not offer to suspend enrichment, Iran's ‌foreign minister said on Friday, adding that he expected to have a draft counterproposal ‌ready within days.

President Trump has one bright red line for Iran's nuclear program and some areas of flexibility as he weighs military strikes or a possible deal in the coming days.

Iran on Thursday held military drills with Russia amid escalating tensions with the United States, after President Trump gave the Middle Eastern country a 10-day timeline for the two countries to