Conservative activist Laura Loomer targeted a deputy national security adviser and questioned whether he is to blame for the Trump administration including a journalist in a Signal group text about ...

Mike Waltz has been in the spotlight since he created a group chat on the messaging app Signal to discuss sensitive ...

President Trump on Thursday confirmed a reported purge of national security agencies this week, with firings of at least a ...

President Trump on Thursday confirmed a reported purge of national security agencies this week, with firings of at least a ...

Defense Secretary Pete Hegseth’s use of the Signal group chat with other national security officials to discuss plans for ...

Trump’s war in Yemen has come under greater scrutiny after his national security officials leaked details of the initial ...

The total cost of the US military’s operation against the Iran-backed Houthi militants in Yemen is nearing $1 billion in just ...

Welcome to The Hill’s Defense & NatSec newsletter{beacon} Defense &National Security Defense &National Security   The Big ...

U.S. Rep. Dale Strong this week said he does not believe Huntsville would make a good headquarters for the Federal Bureau of ...

Former Trump official explains the reason he believes the administration is using Signal - The Atlantic’s editor-in-chief was ...

President Donald Trump has abruptly fired the director of the National Security Agency, according to U.S. officials and members of Congress, but the White House and the ...