A guide from the national intelligence director’s office says “information providing indication or warning that the U.S. or ...

The revelation that President Donald Trump’s most senior national security officials posted the specifics of a military ...

For soldiers and commanders on the edge of battle, any talk about a lasting cease-fire still feels like a dangerous fantasy.

The Atlantic magazine published on Wednesday details of plans for U.S. airstrikes in Yemen that were mistakenly shared by ...