Greg Myre

For the director of the National Security Agency, Gen. Paul Nakasone, it means relentlessly tracking adversaries in cyberspace and increasingly taking action against them.

The Afghan government has been left on the sidelines as the U.S. and the Taliban have held multiple rounds of talks this year in the Gulf nation of Qatar.

Jeffrey Epstein died at the Metropolitan Corrections Center in Manhattan. The federal facility has housed drug lords and Mafia bosses but most inmates are too poor to afford an attorney.

President Trump says the Texas congressman he planned to nominate as the nation's intelligence chief will remain in Congress. Rep. John Ratcliffe was facing criticism for his limited experience.

Texas Rep. John Ratcliffe is expected to be nominated director of national intelligence and has prosecuted terrorism cases. But he has far less experience than his predecessors.

President Trump tweeted today that Director of National Intelligence Dan Coats is stepping down, and that he will nominate Texas Congressman John Ratcliffe to replace him.

The departure of the director of national intelligence means that almost every senior member of President Trump's original national security team is gone from his or her job.

Britain says Iran's seizure of a British-flagged ship was an "act of state piracy." But Britain declined to join a U.S. naval coalition in the gulf, saying it seeks to form a European-led group.

At least 13 U.S. universities have shut down their Confucius Institutes, which are funded by China's government. Critics say the program could be used to recruit spies or steal university research.

Shrouded in secrecy, cyberattacks are increasingly the weapon of choice for the U.S. to send a message to an adversary, rather than what the military calls kinetic measures.

The U.S. is shifting its cyber defense strategy toward a more offensive posture. This means implanting malware in adversaries' data networks in the event of future conflict.

Two very large aerospace-and-defense firms want to become one massive company. But if Raytheon and United Technologies go ahead with a merger, will it reduce competition among military contractors?

When CIA officers walk out of the U.S. Embassy in Moscow, they're shadowed by Russian security. A new book examines how they have operated with this round-the-clock surveillance.

America's final act in the Vietnam War produced an iconic image: a helicopter on a rooftop as desperate Vietnamese tried to climb aboard. For some involved in the mission, the story isn't over.

Lindh served 17 years of a 20-year sentence for being a Taliban soldier. Dozens of other Americans, linked to extremist groups, are in line to be released from U.S. prisons.

John Walker Lindh, the "American Taliban" captured in Afghanistan shortly after the Sept. 11, 2001 attacks, is scheduled to be released on parole Thursday after serving 17 years of a 20-year sentence.

For 40 years, the U.S. and Iran have been locked in an almost nonstop confrontation.

Under CIA Director Gina Haspel, the spy agency is reaching out in very public ways it has never done before, from social media to superhero conventions.

The International Spy Museum, in a sparkling new building just off the National Mall, presents both heroic moments in espionage as well as the country's worst intelligence failures.

The large number of cases prompts some members of Congress to ask: does the U.S. need new laws to prosecute domestic terrorism?