A collection of never-before-seen files, photographs and items from MI5's own archives are going on display for the first time, lifting the lid on how spies operate ...

Throughout history, intelligence has been measured in various ways—scientific discoveries, philosophical depth, strategic ...

The nominee to be chairman of the Joint Chiefs of Staff told a Senate panel the U.S. lagged in deploying new technology in ...

Trump’s national security adviser is trying to manage his way out of a crisis. But new revelations about his team’s ...

The pilot, call sign "Butcher," took down a Russian Lancet drone with a fixed-wing drone in a kill that was caught on camera.

Russian incursions on both U.S. coasts are increasing to levels not seen since the February 2022 full-scale invasion of ...

DUBAI, United Arab Emirates — Yemen’s Houthi rebels claimed Tuesday that they shot down another American MQ-9 Reaper drone, as the U.S. kept up its intense airstrikes targeting the group. The reported ...

President Donald Trump’s nominee to become the next chairman of the Joint Chiefs of Staff acknowledges he's an unknown and unconventional nominee ...

There's much spinning over the grave lapse in national security captured in that group chat outlining a planned bombing raid ...

Retired Air Force Lt. Gen. Dan Caine told senators he would be candid in his advice to President Trump and vowed to be ...

As Ukraine's seven-month-long incursion into Russia's Kursk Oblast came to what appears to be its end, Ukrainian soldiers and ...