The last US troops in Iraq formally withdrew today, 23 years after the United States first invaded Iraq and 12 years after it returned to take on the Islamic State. It's a historic occasion, by many ...

The war in the Middle East is pushing the U.S. military back into combat in Iraq against an old foe—Iran-backed militia groups that two decades ago battled American troops on the streets of Baghdad.

Iraq is proving to be a central front in the ongoing war between Iran and the United States once again. On Tuesday U.S. and Saudi fighters carried out airstrikes against Iranian-backed groups that the ...