President Donald Trump has fired several White House National Security Council officials after he was urged by far-right ...

National security advisor Mike Waltz and his office have repeatedly come under fire since news broke on the Signal chat leak ...

President Trump has moved to fire several senior National Security Council officials, acting soon after being urged by ...

Why was the national security adviser doing the tedious administrative work of setting up a chat group that should have been ...

As senior officials deny wrongdoing, rank-and-file national-security personnel worry about the dangers if no one is held ...

The administration has downplayed the importance of the text messages inadvertently sent to The Atlantic’s editor in chief.

The president’s officials must know that what they did in the Signal group chat was wrong—and dangerous.

When the president talks about security in the Arctic, he’s talking about climate change.

An important question of journalistic ethics has been largely ignored in the discussion about the inclusion of the Atlantic ...

President Donald Trump said he pushed his so-called “Liberation Day” from yesterday to today to avoid April Fool’s ...