Trump said the US would attack Iran's power plants if it didn't reopen the Strait of Hormuz in 48 hours. Iran responded on Sunday with is own threats.

Fears over a prolonged disruption in the Strait of Hormuz have kept investors on edge as oil prices swung in volatile trading Monday.

Three weeks into an escalating war in the Middle East, Iran threatened to expand its retaliatory attacks to include recreational and tourist sites worldwide, as the U.S. announced it was sending more warships and Marines to the region.

The Trump administration says Iran's autocratic regime is down but not out, and it won't say how long the deadly, costly conflict will go on.

Another climb for oil prices shook stock markets on Friday, as hopes collapsed for a possible cut to interest rates this year by the Federal Reserve. The S&P 500 fell 1.5% to close its fourth straight losing week,

Iran has threatened to destroy energy sites across the Middle East after Donald Trump gave the regime 48 hours to reopen the Strait of Hormuz.

As oil tops $100, the Iran war is testing Trump’s push for fossil fuels — and leaving U.S. consumers exposed to price spikes, experts say.

On one of the holiest days on the Islamic calendar, Iran fired on Israel and energy sites in neighboring Gulf Arab states, insisting that it can still build missiles and issuing a new threat: to deny safety to its enemies in “parks,