Donald Trump

The acting Homeland Security secretary, Chad Wolf, is exercising authority under a 2005 law.

Here's what you need to know about these veteran candidates and their priorities.

The Army said that there is no probe into the lieutenant colonel who recently testified at the impeachment hearing.

Hassan Rouhani reiterated that the U.S. should rejoin the nuclear deal if it wants to return to negotiations.

Fighting between Russia-backed rebels and Ukrainian troops has killed more than 14,000 people since 2014.

Journalists posted photos of the patches, prompting questions about whether the uniform devices violated DoD policy.

A federal judge on Thursday ordered a temporary halt of Microsoft's work on a $10 billion military cloud contract.

The Trump administration has been trying since 2018 to reorient its defense strategy toward China.

Vindman was ousted from his job on the White House National Security Council on Friday.

Some of those affected are close relatives of refugees who are already in the U.S.