A decision to retaliate against the U.S. and its regional allies would give Iran a far larger target bank and one that is ...

US President Donald Trump’s decision to strike Iran’s nuclear facilities puts the Middle East in a volatile position, with ...

The world is watching to see whether Tehran responds to the U.S. military strikes as leaders urge Iran to negotiate.

Some U.S. cities are implementing new security measures in light of escalating tensions between the U.S. and Iran.

The calming in the oil market came as several analysts said Iran would likely refrain from closing the waterway. Iran itself ...

The attack came the day after the United States inserted itself into Israel’s war by attacking Iranian nuclear sites, ...

In the past, following other U.S. military actions, it has taken years for the full dimensions of Iran’s intended campaigns ...

In the wake of attacks on Iran’s nuclear facilities, first from Israel earlier this month and then the United States over the ...

President Vladimir V. Putin met with Iran’s foreign minister on Monday, but did not explicitly call out Israel or the United States for their strikes on Russia’s longtime ally.

Follow NBC News after Trump announced the U.S. has struck three nuclear facilities in Iran, joining the conflict that began ...

This is a dangerous escalation in a region already on the edge—and a direct threat to international peace, security." ...

Iran has spent decades building multi-tiered military capabilities. By entering Israel's war, the US may have removed the ...