Al Qaeda leader Ayman al-Zawahiri urged people in Saudi Arabia to follow the example set by popular revolutions in Egypt, Libya and Tunisia and rise up.
Diplomats and other observers in Libya say that with elections one month away, the National Transitional Council is struggling to exert control over various militia prominent in the uprising against Moammar Gadhafi.
Government troops in southern Yemen on Sunday attacked al Qaeda hideouts, killing two dozen suspected militants in the latest push to clear the area of the terror organization, local security officials said.
A pair of U.S. drone strikes killed 11 suspected al Qaeda militants Saturday in Yemen's Mareb province, part of a continuing air campaign targeting the terror organization, security officials said.
A powerful explosion rocked Aleppo, Syria's most populous city, late Friday, killing a guard at an office of President Bashar al-Assad's ruling Baath Party, opposition groups reported.
Nic Robertson explains if al Qaeda's would-be airplane bomber was actually working for U.S. and Saudi intelligence.
New details are emerging about the agent sent by Saudi counterterrorism agents into Yemen to track a plot by al Qaeda in the Arabian Peninsula to bomb a U.S.-bound airliner.
In a new book, a "60 Minutes" interview and other recent public statements, Jose Rodriguez, a three-decade veteran of the CIA who rose to become head of the National Clandestine Service, has stoutly defended the CIA's use of coercive interrogation techniques on al Qaeda detainees.
A U.S. drone strike killed eight militants in southern Yemen on Thursday morning, the latest hit in an intensified U.S. air camaign against al Qaeda and its affiliates in the area, security officials said.
A former double agent who risked his life to spy for the U.S. explains how he became trusted.
The infiltration of a Middle Eastern terror network by a mole who helped foil a plot to blow up a U.S.-bound plane was a "phenomenal," "brilliant" and "powerful" success, experts said Wednesday.
A man who volunteered as a suicide bomber for a terrorist group intent on blowing up a U.S.-bound plane was working instead as an intelligence agent for Saudi Arabia, The New York Times reported Tuesday, citing American and foreign officials.
The U.S. says it's foiled a plan by al Qaeda to blow up a U.S. bound flight. CNN's NIc Robertson explains.
Three months before he was killed by a U.S. drone strike, Fahd al Quso, one of al Qaeda's top operatives in Yemen, spoke at length to a local journalist. He was asked why al Qaeda in the Arabian Peninsula had stopped plotting against the United States. Was it because all efforts were devoted to an internal project?
U.S. Secretary of State Hillary Clinton urged Pakistan to do more in the fight against global terrorism Tuesday, saying that the latest plot in Yemen shows that extremists continue to devise more "perverse and terrible ways to kill innocent people."
U.S. and other intelligence agencies recently broke up a plot to bomb an airliner and have seized an explosive device that is similar to ones previously used by al Qaeda, officials said Monday.
A senior operative of al Qaeda in the Arabian Peninsula wanted for his role in the USS Cole bombing was killed by an airstrike in Yemen on Sunday, Yemeni officials said.
Some of the documents seized during the raid on bin Laden's compound have been posted online, CNN's Barbara Starr reports.
More than 2,700 CNN readers have shared what they think of Osama bin Laden's letters which were released Thursday.
An explosion killed 20 and injured dozens in Pakistan's tribal region bordering Afghanistan on Friday, a government official told CNN.
Scores of pages of al Qaeda documents seized in last year's U.S. raid that killed Osama bin Laden were released Thursday.
CNN's Brian Todd reports on a plot to destroy a bridge near Cleveland that was foiled by authorities.
Monday's arrest of five men accused of aiming to bomb an Ohio bridge raises disturbing questions about the attraction to violence of some contemporary anarchists. But it also offers critical lessons to Americans about the nature of the domestic terrorist threat they face?a threat more diverse in its ideological origins than commonly appreciated.
There is no better way for historians to assess Osama bin Laden's thinking and the real state of al Qaeda as it was understood by its leaders in the years after 9/11 than the "treasure trove" of more than 6,000 documents that were recovered by the U.S. Navy SEALs who raided bin Laden's compound in Abbottabad, Pakistan, a year ago.
One year after the killing of Osama bin Laden in Pakistan, CNN's Reza Sayah investigates al Qadea in Pakistan.
Steps were being taken to guard against a new threat of "body bombs" planted inside passengers aboard flights heading to the United States from overseas, a government official with knowledge of the threat said Tuesday.
Most Muslims in several key Middle Eastern and Asian countries hold negative views of the terrorist network al Qaeda a year after U.S. forces killed its leader, Osama bin Laden, according to a recent survey.
CNN's Matthew Chance takes a look at the cult of bin Laden, and how al Qaeda is faring a year since his killing
On May 16 last year, a 22-year-old Austrian named Maqsood Lodin was being questioned by police in Berlin. He had recently returned from Pakistan via Budapest, Hungary, and then traveled overland to Germany. His interrogators were surprised to find that hidden in his underpants were a digital storage device and memory cards.
Authorities have "no indication of any specific, credible threats or plots" against the United States as a result of the one-year anniversary of the death of Osama bin Laden, a Department of Homeland Security spokesman said Monday.
Nearly a year after commandos killed Osama bin Laden at a compound northern Pakistan, U.S. officials "still have work to do" in order to defeat al Qaeda, a top counterterrorism official said Sunday.
A Pakistani man living in Virginia was sentenced Friday to 12 years in prison for providing material support to the terrorist group Lashkar-e-Tayyiba.
Four Swedish nationals will stand trial in Copenhagen Friday in what officials describe as the most serious ever Islamist terrorist plot in Scandinavia.
A pharmacy graduate from Massachusetts who sympathized with al-Qaeda, and traveled to Yemen in the hopes of linking up with the terrorist group, was sentenced Thursday to 17½ years in federal prison, court officials said.
The Taliban claimed responsibility Tuesday for two suicide attacks on government facilities in Afghanistan that killed at least 18 people and wounded 27 others.
Two deadly explosions kill dozens in Afghanistan. CNN's Mohammed Jamjoom reports.
Pakistan has suggested that the United States needs to provide convincing evidence against a man accused of masterminding the 2008 terrorist assault on Mumbai, India, before it will take any action.
The United States is offering as much as $10 million for information leading to the arrest and conviction of Hafiz Mohammad Saeed, a Pakistani man accused of masterminding the 2008 terrorist assault on Mumbai that killed 166 people.
Did French intelligence services miss vital clues as Mohammed Merah showed signs of growing radicalization? In the words of the French newspaper, L'Express, on Thursday: "Did the security services fail in their surveillance?"
Mohammed Merah was the sort of radicalized individual who makes Western counterterrorism officials very apprehensive: someone who was determined, trained, living legally in Europe or the United States and operating alone. One of dozens (perhaps hundreds) of militants either unknown to authorities or suspected of plotting a terrorist attack but whose real intentions and movements are difficult to track.
Five suspected terrorists were killed Sunday in a shootout with police on the Indonesian resort island of Bali, a spokesman for Indonesia's National Police said Monday.
A suicide bomber targeted an anti-Taliban police chief in Peshawar Thursday, killing him during morning rush hour traffic, a senior police official said.
FBI Director Robert Mueller said Thursday he is concerned about the potential for terrorists mounting cyber attacks and that the bureau is working "to stay ahead of these threats, both at home and abroad."
Flesh and blood covered the ground near Somalia's presidential palace Wednesday after a suicide bomber detonated his explosive belt, killing two people and wounding four, a law enforcement official said.
A suicide bomber targeted a funeral in northwest Pakistan on Sunday, killing at least 14 people and wounding 37 others, officials said.
Spain on Sunday marks the eighth anniversary of the Madrid train bombings, this year embroiled in controversy over a decision by unions to hold nationwide protests over the economic crisis.
CNN's David McKenzie reports on how farmers in Kenya are being affected by a ban on imports of khat.
Fierce clashes followed suicide bombings and checkpoint attacks Sunday in Yemen, leaving dozens dead as the government fought back in a province largely controlled by terrorist groups, officials said.
Suicide bombers targeted a Yemeni military camp southeast of the capital Saturday, killing a soldier and a civilian and wounding eight others, a top Republican Guard official said.
Peter Bergen, national security analyst, explains Saif al-Adel's background and how he was reportedly arrested in Egypt.
Investigators in Egypt said a man they seized Wednesday is a wanted for terror-related crimes, but he is not Saif al-Adel, a notorious leader in the al Qaeda terror network.
Representatives from more than 40 governments and humanitarian groups were holding talks Thursday in London on Somalia, which is in the grip of an insurgency. The gathering will try to agree a common approach to tackling the political turmoil, terrorism, poor security, while providing humanitarian aid.
Somalia's prime minister tells CNN the country needs up to $10 billion from the international community.
Afghan police have intercepted 41 children whom insurgents were planning to use as suicide bombers, an Interior Ministry spokesman said Tuesday.
The death toll from a suicide bombing Friday at a market in Pakistan's tribal region climbed to 40 as of Monday, a government official in the region said.
The lawyer for Umar Patek, an Indonesian man accused of assembling the bombs used in the 2002 Bali attacks, argued Monday that his client was not directly involved in the planning of the bombings, contesting a murder charge from prosecutors.
Violent overnight attacks in Iraq killed nearly two dozen people Sunday.
The death toll climbed to 34 following an explosion Friday at a market in Pakistan's tribal region, a senior government official said Sunday.
The arrest of a 29-year-old Moroccan living illegally in the United States has focused attention again on the danger posed by "lone-wolf" terrorists.
Officials accuse a Moroccan man of plotting to set off a suicide bomb at the U.S. Capitol. CNN's Brian Todd reports.
CNN's Deborah Feyerick reports Umar Farouk AbdulMutallab gets life in prison for attempting to blow up a plane in 2009.
A high-profile terrorism trial for an Indonesian man accused of assembling the bombs used in the 2002 Bali attack got under way Monday in Jakarta.
A high-profile terrorism trial begins in Jakarta on Monday against an Indonesian man accused of assembling the bombs used in the 2002 Bali attack.
Somalia's Al-Shabaab rebel movement has tightened its ties to the al Qaeda terror network, with its leader pledging loyalty to al Qaeda leader Ayman al-Zawahiri.
The man commanding the AMISOM mission in Somalia describes efforts to root out Al-Shabaab militants.
The U.S. government's list of suspected terrorists who are banned from flying to the United States or within its borders has more than doubled over the past year, a counterterrorism official told CNN Thursday.
The al Qaeda terror network is weakening and the embattled Afghan government is making modest strides, but cyber security threats are on the rise and Iranian nuclear aspirations remain a major peril.
A suicide bomber in a car blew himself up in front of an airport in southern Afghanistan on Thursday, killing at least seven civilians, police said.
A suicide bomber disguised as a policeman targeted Shiite pilgrims Saturday outside the southern Iraqi city of Basra, killing at least 53 people and wounding 137, the Interior Ministry said.
A suicide bomber killed at least 30 outside the city of Basra. Jomana Karadshe reports.
Al-Shabaab members raided a Kenyan police camp, killing seven and taking others prisoner, the al Qaeda-linked militant Islamist group said Thursday.
Iraqi forces have tightened security in and around the Shiite holy city of Karbala as tens of thousands of pilgrims pour in ahead of this weekend's culmination of a revered mourning period.
British officials Saturday warned of terror threats in Kenya as the east African nation battles Islamist militants in neighboring Somalia.
UK officials warn of terror threats in Kenya as the east African nation battles Islamist militants in neighboring Somali.
Syria was tense Saturday as the families of the victims of a suicide bombing in the capital and lethal clashes elsewhere buried their dead, and as Syria's Christians celebrate Orthodox Christmas.
The embattled Syrian regime, reacting after a suicide bombing in the capital and continued violence in several anti-government bastions, vowed Friday to confront its foes with stern resolve as more than 60 deaths were counted across the nation.
A trio of blasts rocked the southern Afghanistan city of Kandahar Tuesday, killing at least 14 people and injuring 32, officials said.
Al Qaeda's leadership has sent experienced jihadists to Libya in an effort to build a fighting force there, according to a Libyan source briefed by Western counter-terrorism officials.
Photographer Gyula Sopronyi talks about how he captured footage of a rocket-propelled grenade attack in Libya on March 9.
In November, dozens of armed men descended on a town in northern Nigeria and killed more than 100 people in a coordinated series of bombings and gun attacks.
A suicide car bomber passed through six security checkpoints before detonating at the main entrance to Iraq's heavily fortified Interior Ministry compound in central Baghdad Monday.
As violence and protests continue in Syria, CNN talks to one activist in Hama who has captured footage of the events.
A New York man is suing two airlines for $10 million, saying he was injured when he tackled the "underwear bomber" during a Detroit-bound flight on Christmas Day in 2009.
The man who pleaded guilty to a failed attempt to blow up a commercial airplane on Christmas Day says he wants a different legal adviser, ideally a Muslim male attorney.
CNN's Nick Paton Walsh explains why today's suicide bomber attacks in Kabul are unprecedented.
On Wednesday, the Senate and House homeland security committees held their first-ever joint hearing, on the 70th anniversary of the bombing of Pearl Harbor, to address what has become a familiar theme for both committees -- the threat from "homegrown" terrorists.
Terrorists could decide to launch attacks during the holiday season but the United States has no evidence any plots are being planned, according to a federal law enforcement intelligence bulletin issued Wednesday.
Republican presidential candidate Jon Huntsman suggested a total defeat of the Taliban during CNN's Republican debate on national security issues Tuesday night .--- with Huntsman's comments standing in stark contrast to the reality of the continuing attacks by the group in the country.
A half-hour video featuring the leader of al Qaeda, Ayman al-Zawahiri, was posted Tuesday on a radical Islamist website.
CNN's Fred Pleitgen reports on a neo-Nazi terror cell allegedly responsible for murdering at least ten people.
A series of attacks Wednesday and Thursday in Iraq, targeting coffee shops and members of Awakening Councils, left 16 people dead and dozens of other wounded, officials said.
A suicide bomber who carried out an attack in Somalia this weekend was an American citizen of Somali descent, a website associated with the Al-Shabaab Islamist movement claimed Sunday.
At least 17 people were killed in central Kabul on Saturday when a suicide bomber struck a vehicle in a military convoy, according to officials.
A female suicide bomber has blown herself up in the eastern Turkish province of Bingol, killing at least two people.
A suicide attack on a car killed a senior police official, Ajmer Shah, and his aide Friday in northwest Pakistan, authorities told CNN.
A federal jury found two Minnesota women guilty Thursday of raising money for Al-Shabaab, the al Qaeda-affiliated militant group in Somalia.
The mysterious visitor stands in a patch of scrubland in Somalia, surrounded by Islamic militants wielding AK-47s. His face is covered by a white-and-red headscarf; he is slim and seems young. But there is something puzzling about him: His skin is fair, and when he speaks in an audio recording, his English is near perfect and spoken with a North American accent.



