James R. Clapper

The United States is struggling to track a fragmented Syrian opposition and has found it increasingly difficult to get a clear picture of rebel factions, the US military's top officer said Monday.

The United States said it would bolster defenses against a possible North Korean missile strike a week after Pyongyang threatened a "pre-emptive" nuclear attack against its arch-foe.

President Barack Obama entered the fray Wednesday on cyber attacks from China, saying some intrusions affecting US firms and infrastructure were "state sponsored."

Spy chief James Clapper warned Tuesday that the United States faces an array of new security threats around the world, from crippling cyber attacks to a "belligerent" nuclear-armed North Korea.

After 12 long years of war in Afghanistan the best US intelligence can say is that a reslient Taliban is "diminished in some areas," spy agencies said Tuesday in a notably pessimistic report.

North Korea leader Kim Jong-Un threatened to "wipe out" a South Korean island as Pyongyang came under new economic and diplomatic fire Tuesday from US sanctions and UN charges of gross rights abuses.

North Korea would likely only use nuclear weapons if it perceived a threat to its survival, but the United States remains uncertain how Pyongyang would define such a threat, the US intelligence chief said Tuesday.

The United States faces a mounting danger from cyber attacks on its infrastructure while digital espionage threatens to undercut the military's technological edge, the intelligence chief said Tuesday.

Iran could not produce enough highly-enriched uranium for an atomic bomb without being detected, US National Intelligence Director James Clapper said Tuesday.

Iran could not produce enough highly-enriched unranium for an atomic bomb without being detected, US National Intelligence Director James Clapper said Tuesday.

The US Supreme Court on Tuesday blocked a lawsuit brought by human rights groups and others challenging a US government electronic surveillance program set up after the September 11, 2001 attacks.

A "talking points" memo distributed to government officials about the deadly attack on the US consulate in Libya was altered by the intelligence community and not the White House, CNN reported.

Former CIA chief David Petraeus has done little to halt bi-partisan sparring over whether the administration misled the public over who was behind an attack on the US consulate in Benghazi, Libya.

Former CIA chief David Petraeus told lawmakers Friday he knew from the outset that a deadly attack on a US mission in Libya was the work of terrorists, in his first outing since his resignation.

The head of US intelligence intends to declassify parts of a video showing the deadly attack on the US mission in Benghazi, Libya, according to a congressman briefed by him on Friday.

It was an unlikely chain of events involving a jealous lover, a Florida socialite and an over-zealous FBI agent that led CIA chief David Petraeus to resign over an extramarital affair.

The chairman of a key congressional oversight committee has demanded an explanation from the FBI and Justice Department for why they did not provide early warning of an investigation into then CIA director David Petraeus.

Fresh reports piled pressure on Monday on FBI and CIA officials to explain the circumstances and timing of an investigation that ended the storied career of spy chief David Petraeus just three days after President Barack Obama's re-election.

The FBI uncovered the affair that led to the resignation of CIA chief David Petraeus while investigating threatening emails sent by his lover to a second woman, US media reported.

The FBI uncovered the affair that led to the resignation of CIA chief David Petraeus while investigating threatening emails sent by his lover to a second woman, US media reported.