Mike Waltz was removed as Trump's national security adviser and faces Senate confirmation as the new nominee to be ambassador to the U.N.

A group of President Donald Trump’s cabinet members who inadvertently included the editor of the Atlantic in their Signal ...

The information was not only classified but was some of the most important and justifiably classified that the U.S.

What is graphite? Graphite is a naturally occurring form of carbon characterized by its layered structure, which gives it ...

As one of the last federal agencies to face major changes in President Trump’s norm-bending second term, the CIA is bracing ...

National security officials are using commercial apps over secure communications systems that feel burdensome. New apps offer ...