The soldiers, part of the 1st Armored Brigade Combat Team, 3rd Infantry Division, were on a tactical training exercise when ...

The military has rules and laws and hierarchy and a chain of command. But undergirding it all is trust—trust that higher-ups ...

The news of Trump officials using Signal for a group chat on military operations has raised many questions about just how ...

End-to-end encryption is useful, secure, and reliable. But it’s just not enough.

A federal judge has ordered the Trump administration to preserve records of a text message chat in which senior national ...

Secretary of State Marco Rubio was far less chatty than other officials in the controversial Signal discussion on U.S. airstrikes in Yemen.

Joe Kent, nominated for a Trump administration job but not yet confirmed, was in the Signal group chat as top officials ...

Republican committee chair Sen. Roger Wicker and top Democrat Sen. Jack Reed signed onto a letter to the acting inspector ...

Four U.S. Army soldiers who went missing in Lithuania during a training operation have died, according to NATO Secretary General Mark Rutte.

The entire nation, it seems, is talking emojis after they appeared in a high-level Signal message chat: 👊🏴🔥 ...

Despite what amounts to among the most startling security snafus in recent memory -- one that would almost certainly trigger ...

Here's what we know so far, and what we don't know.