A widening war in Iran has halted oil tankers, made targets of refineries and spooked investors worried about the cascading impact of spiking energy prices.

Donald Trump has claimed the war is easier than the US thought it would be - on the same day a draft report found the US is "likely" responsible for a deadly strike on an Iranian school. Elsewhere, ...

President Donald Trump said Wednesday that the United States must "finish the job" in Iran -- hours after suggesting the war could be over soon because Washington had run out of targets. "We don't ...

The Israeli military says it's responding to strikes from Iran-backed Hezbollah, and warns residents in Beirut's southern suburbs to evacuate.

Three vessels were hit by projectiles near the Strait of Hormuz, the UK’s maritime agency said. Countries have agreed to release a record 400 million barrels of oil in an effort to stem gas prices.

Iran struck three commercial ships today in its continuing effort to inflict economic pain and political pressure on the U.S. and its allies.

Follow live NBC News coverage and latest updates on the Iran war, as the U.S. and Israel launch strikes and Tehran launches its "most intense strikes" to date.

The ongoing American-Israeli war on Iran, for all its complexity and global effects, boils down to a single question: Who can take the pain the longest? A surge in oil prices points to what may be ...

Iran took credit for attacks on ships in the Strait of Hormuz as U.S. gas prices reached a national average of $3.59 a gallon.

Iran war latest: Trump claims the US has ‘won’ but needs ‘to finish the job’ - Donald Trump has said that US forces have knocked out 28 Iranian mine-laying ships in the Strait of Hormuz ...

President Trump says he'll end the war soon, when he wants to, as Iran hits three ships near the Strait of Hormuz and warns U.S.-linked banks will be next.

President Trump announced "major combat operations" against Iran on Feb. 28, with massive joint U.S.-Israel strikes attack ...