David Welna

The Second Circuit U.S. Court of Appeals ruled Thursday that the National Security Agency's bulk collection of phone records — which was revealed by former NSA contractor Edward Snowden — is illegal.

President Obama said Tuesday he will nominate Marine Gen. Joseph F. Dunford to be the next chairman of the Joint Chiefs of Staff, the nation's highest-ranking military officer.

A clash between Muslim inmates and the female soldiers assigned to guard them has led to a standoff at the lockup in Guantanamo Bay, Cuba.

A judge has blocked female guards from shackling and escorting five Muslim men being tried for plotting the Sept. 11 attacks. Soldiers, in turn, have ...

The House panel voted Thursday to advance a bill that would end the National Security Agency's bulk collection of Americans' phone records.

One of President Obama's first promises in office was to shut down the Guantanamo Bay prison camp in Cuba. Congress, however, is trying to shut down the effort to empty the camp of all its inmates.

The unintended deaths of two hostages in a U.S. drone strike has reignited the debate over the tactic. President Obama said the program would be reviewed though it's not clear what that means.

Two months after Congress held hearings on President Obama's proposal for an authorization of military force against the self-declared Islamic State, Congress has done precisely nothing.

A key provision in the USA Patriot Act that allows the NSA to collect and store bulk phone records is set to expire June 1. Senate GOP leaders are pushing to renew that provision for another 5 years.

The U.S. government and cybersecurity companies agree that Iran has greatly improved its cyberattack capability over the past two years.

A Senate committee voted for a bill that gives Congress a review of the Iran nuclear accord. The president had threatened to veto such a bill but it was amended to address some of his objections.

The Senate Foreign Relations Committee is expected to vote Tuesday on a bill that would give Congress a role in approving the Iran nuclear agreement.

The Senate Foreign Relations Committee will review bill Tuesday that intends to give Congress a voice on the Iran nuclear agreement.

Five years have gone by since President Obama signed the nuclear treaty with then-Russian President Dmitry Medvedev. Long after negotiations reached their end, the deal's merits still provoke debate.

Congress was out of town, and, to some extent, out of the loop when negotiators in Lausanne, Switzerland agreed April 2 on a "framework" for a deal that U.S. officials say would keep Iran from building a nuclear bomb.

As the details for a final deal get worked out before ...

Republicans, and many Democrats as well, are skeptical the deal is good for the U.S. and its allies. Because the deal is not legally binding, it does not technically need the approval of Congress.

Most of the members of the coalition conducting air strikes in Yemen, are also members of the U.S.-led coalition in Syria that's been waging an air campaign against the self-styled Islamic State.

The Army has charged Bergdahl with desertion and misbehavior before the enemy. Bergdahl disappeared from his unit in Afghanistan in 2009 and end up being held captive by the Taliban for five years.

U.S. Army officials said Wednesday that Bergdahl's 2009 disappearance is considered a crime of desertion. Bergdahl was freed last May after being held captive by the Taliban for nearly five years.

The U.S. has put Afghan security forces in the lead in the fight against the Taliban. Despite that move, the U.S. must still take responsibility for their actions, including when they commit abuses.

The U.S. air war in Iraq and Syria against the self-proclaimed Islamic State is now in its eighth month.

American officials say dropping bombs won't be enough to defeat that group; it will also require fighting on the ground. So the U.S. is trying to put together a ground force ...