Here's what we know about whether officials shared classified intel in leaked group chat that included the editor-in-chief of ...

I wish there was a war on Ukraine lasted at least another 2-3 years! Or even better — 4-5 years. The chiefs of intelligence ...

An international relations expert said there are a few ways Trump could acquire Greenland, however, those options would have serious consequences to the world order.

President Donald Trump's ill-qualified picks are undermining intelligence operations and exposing the U.S. to security ...

JD and Usha Vance, national security adviser Mike Waltz are on their way to Greenland, where they'll visit the Pituffik Space Base and meet with US service members.

A magazine journalist’s account of being added to a group chat of US national security officials coordinating plans for ...

Opinion editor Matthew T. Hall writes there are certain conversations to have with emojis and abbreviations — and others to have on secure lines of communication. Take his latest family text thread, ...

President Donald Trump is downplaying the texting of attack plans to a group chat that included a journalist as “the only ...

A government watchdog group is suing national security leaders for their use of Signal to discuss military actions, saying ...

The United States is exerting "unacceptable pressure" on Greenland, Denmark's Prime Minister Mette Frederiksen said on ...

A Pentagon-wide advisory sent to staffers on March 18 warned against using Signal for any sharing of information, classified ...