The National Security Council said the message thread "appears to be authentic" and the administration is "reviewing how an ...

A century-old law aimed at cracking down on disloyal wartime activities is in the spotlight after Trump admin's use of Signal ...

"At this time, the message thread that was reported appears to be authentic, and we are reviewing how an inadvertent number ...

Democratic lawmakers swiftly blasted the misstep saying it was a breach of U.S. national security and a violation of law that ...

The Trump administration's snowballing "Signalgate" scandal has helped refocus public attention onto one of the nation's ...

When he was a candidate for president, Donald Trump tended to rail about the stupidity ... Trump authorized large-scale U.S.

Former members of the defense and intelligence communities wonder who’s in charge of policy and operations — and if they’re ...

Here's how the incident played out earlier this month, based on reporting from The Atlantic and from the wire service Reuters ...

U.S. officials seek to curb the militants’ attacks on ships in the Red Sea, but the group was not deterred by strikes in the ...

Several of President Donald Trump’s top national security officials, at times with assistance from a top Senate Republican, ...

President Donald Trump’s national security team has looked like a pack of amateurs. On Monday, The Atlantic’s editor-in-chief ...

A former CIA officer, Slotkin said the incident shows military spouses "have better operational security" than the ...