Ayman al-Zawahiri called for adherents to follow the example of the Boston marathon bombers.
The ruling could have a sweeping effect on the government’s use of military tribunals.
Nasr Ibn Ali al-Ansi held a senior role within the terror group’s operation in Yemen.
Intelligence officials are piecing together what happened that sabotaged the rescue attempt.
Eric Holder hailed it as a victory for trying terror suspects in civilian courts.
Al Qaeda and ISIS differ in structure, tactics and goals.
“This is not an intelligence failure, this is a policy failure,” said Rep. Mike Rogers.
Al Qaeda-affiliated fighters have seized Tikrit and Mosul.
Nigerian President Goodluck Jonathan has said he will not negotiate with terrorist organization...
An administration official said the debate over troop levels is "very much alive."
A trio of hearings in the House this week will give Republicans the chance to publicly question...
The hearing will address "the Administration’s counterterrorism rhetoric.”
The Pentagon said Muhsin al-Fadhli was killed in a strike on July 8.
Saddiq al-Abbadi faces a maximum sentence of life in prison.
“I commend the president for acting," Rep. Mike Rogers (R-Mich.) said.
Pakistani military killed al Qaeda chief tied to a plan to bomb the New York City subway.
The F-22s took part in the second of three waves of bombings by U.S. and allied aircraft.
Retired Adm. Stavridis warned of "EU-passport-bearing jihadists ... headed back home."
“We’ve got another Benghazi in the making here,” Graham said.
Military means are proving less than adequate in the fight against Islamic extremism.
The president is relying more on foreign governments in the fight against terrorists.
Holder had to back down from the decision in 2011 in the face of criticism from lawmakers who...
Boehner brought up the issue unprompted at his weekly Capitol press conference.
“Time and again, the [Senate Foreign Relations panel] has blocked the delivery of this support," a...