National Security

Fiona Hill will be replaced by the arms control expert Tim Morrison, signaling a possible shift toward nuclear talks.

The U.S. national security advisor, who has largely ignored the United Nations, is suddenly concerned that Beijing has too much influence there.

Diplomats and their families could be in jeopardy, but the Trump administration has no plans to address the issue, the Government Accountability Office says.

Why the world desperately needs digital Geneva Conventions.

The technology behind cryptocurrency can keep the United States safe—but only if the country takes advantage of its head start.

With or without a trade war, Chinese foreign direct investment to the United States won’t stop tumbling anytime soon.

The world is less dangerous than it was a year ago — but the long-term trends, if you're not American, have gotten cloudier.

It’s not leadership or combat culture driving pilots out of the service.

A prominent Pakistani doctor suspects he is on the no-fly list. He’s demanding the right to find out why.

Mira Ricardel clashed with Defense Secretary James Mattis’s team in the early days of Trump’s presidency.

The Trump Administration’s lack of engagement has made the terrorist threat worse.

It’s a strategy to tighten ideological control. And it’s happening around the world.

Barack Obama did too little to curb the militant group, especially in Latin America. Donald Trump should do more.

For the first time in his career, Washington’s most belligerent foreign policy wonk is officially outside the bureaucratic box.

The outgoing national security advisor took one last swipe at Putin’s efforts to undermine Western democracies.

From “Bomb, Bomb Iran” to a preemptive strike on North Korea, the former Bush official promises a much more belligerent foreign policy.

It's time for Americans to add a new Russian word to their strategic lexicon.

The debate over whether fitness trackers should be allowed in sensitive areas has dragged on for years.

Trump has finally picked members for a key intelligence advisory board, and billionaire Stephen Feinberg is slated to head it.

Senate leaders across party lines are concerned intelligence community watchdogs are failing to protect whistleblowers.