The Pentagon on Friday released a new group of files about unidentified anomalous phenomena, or UAP or UFOs, including a batch of documents regarding a mysterious military program studying aerospace threats.

Top Republicans have poured cold water on Defense Secretary Pete Hegseth’s push to install one of his loyalists in a key Pentagon role. Hegseth, 46, is desperate to appoint the department’s chief spokesperson,

The Pentagon’s public database left out two deaths of U.S. service members deployed in the Middle East during the war against Iran, who took part in missions unrelated to the conflict in the Middle East.

Outdated networks face growing cyber threats as AI makes it easier for adversaries to exploit vulnerabilities and launch disruptive attacks.

President Donald Trump has angrily pushed back on the calls from industry and lawmakers for an AI slowdown or greater regulation.

Military leaders warn the risks of falling behind adversaries in artificial intelligence research outweigh the potential risks of the technology.

A U.S. F-16 fighter jet has crashed during a training drill in Michigan, after the Pentagon said it wanted to see more military flyovers. The F-16 belonged to the Texas Military Department and was embarking on a routine training mission from a National Guard base in Alpena,

More than 100 countries will receive military hardware parts and repair services under a $4.3 billion Pentagon contract awarded this week to S&K Aerospace LLC of St. Ignatius, Montana.

The potentially drastic drawdown of 25,000 or more U.S. troops comes amid warnings from NATO allies about a growing threat posed by Russia.