Joaquin Castro, D-Texas, points to a chart displaying a text message by Defense Secretary Pete Hegseth in a group chat that revealed U.S. military plans in Yemen to a journalist, at a House ...

Leaders of U.S. intelligence agencies will appear before the Senate Intelligence Committee on Tuesday to testify about global security threats facing the country. The hearing, which is set to begin at ...

Trump officials on Tuesday described the leak of a high-level discussion about attacks on Houthi rebels in Yemen as a “mistake” but said the president’s critics were blowing the incident out ...

The use of civilian software to discuss sensitive military and government matters came to light after a journalist from The Atlantic magazine said he was mistakenly added to a group chat on Signal.