The US ambassador to Russia said he is returning to Washington, Moscow recalled its ambassador after Biden called Putin a 'killer'

The US is looking to reposition assets in the region to maintain the ability to hit targets inside Afghanistan

Brown University's Costs of War project estimated that the US war has killed over 241,000 people in Afghanistan and Pakistan

Last week, Ukraine said Russia has 80,000 troops along the border, but how Kyiv determined the numbers is not clear

Russian planes hit two hideouts near Palmyra

A new strategy calls for a 'meaningful' European naval presence in the region

Govt imposing 'legal and time-based mechanisms'

A diplomatic row between Manila and Beijing has led the US to reaffirm its commitment to defending the Philippines in the disputed waters

60% enrichment is a new accomplishment, but still well short of weapons-grade

An Israeli official said the US could sign a deal with Iran 'within weeks'

Iran said that progress is being made but talks have not reached 'final stages'

A report said Iranian and Saudi officials held recent talks in Baghdad, which Iran did not confirm

Blinken said the US is shifting its resources to focus on China