Democratic leaders of key House committees are reigniting calling for National Security Advisor Mike Waltz to step down.

National Security Advisor Michael Waltz and a senior aide used personal Gmail accounts for government communications, ...

Last week, the White House said the National Security Council, the White House counsel office and President Trump adviser ...

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

Readers also have gripes with the Register, with Rep. Mariannette Miller-Meeks, and with egg producers in letters published ...

In the US, daily downloads tripled to more than 60,000. In Yemen, where the app is less popular, downloads increased by five ...

The encrypted messaging app Signal is getting some unexpected attention this week. High-ranking officials in the Trump ...

A federal judge on Thursday ordered key Trump administration agencies to preserve messages sent on Signal between March 11 to ...

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 ...

When Donald Trump selected Mike Waltz to serve as national security adviser, the choice was widely seen as win-win: A combat ...

The group discussed potential U.S. military strikes on Iran-backed Houthi targets in Yemen. Two hours before ... Whether the Signal chat conduct constituted "gross negligence" under the Espionage ...

The Atlantic magazine has published even more “war plan” texts laying out minute-by-minute operational details — after the ...