After weeks of controversy amid accusations of sharing sensitive information about military operations in unsecured chats ...

The U.S. is losing the hypersonic arms race to China—but a formidable, new weapon could change the game. When the U.S. Navy’s ...

President Donald Trump's secretary of defense, Pete Hegseth, used a second group chat on the Signal messaging app to share ...

Suspensions at the Defense Department have continued, with a third top Pentagon official being placed on administrative leave ...

And lastly: U.S. defenses against mis- and disinformation took a hit this week after the Trump administration shuttered a ...

One of three senior advisors that Defense Secretary Pete Hegseth fired last week over leaks has since claimed he's been framed.

The Defense Department will soon brief the president on possible options for a planned missile defense system that could cost ...

Export controls pose direct threats to U.S. military readiness, highlighting that the country is already lagging behind in ...

Defense secretary under fire after reports of second Signal chat in which sensitive military information was shared with ...

A defense attorney decried the government's "overzealous" tactics and "sensational" spying allegations against his client, a ...