The United States is providing weapons and ammunition to Somalia's transitional government as it fights al Qaeda-linked Islamic militants, State Department spokesman Ian Kelly said Thursday.
Al Qaeda's top financier for Yemen and Saudi Arabia has been taken into custody, the Yemeni government announced Sunday.
In a new anti-Israel, anti-U.S. video, an American al Qaeda member makes reference to his Jewish ancestry for the first time in an official al Qaeda message.
Al Qaeda operatives are leaving the battle zones along the Afghanistan-Pakistan border and heading for Somalia and Yemen, where they have set up training camps, according to U.S. intelligence officials.
European intelligence agencies are on alert for new al Qaeda terrorist plots following the arrest of two men at an Italian port and investigations into the activities of an alleged al Qaeda network based in Brussels.
The latest video from Somalia's al Qaeda-backed Al-Shabaab wing is as slickly produced as a reality TV show but with a startling message -- complete with a hip-hop jihad vibe.
A former U.S. Navy sailor who provided al Qaeda supporters secret information about planned ship movements received a maximum 10-year prison sentence, the Justice Department announced Friday.
Yemen has denied "exaggerated and false" media reports that it recently released 170 al Qaeda suspects from its prisons, according to a statement issued on Tuesday by its embassy in Washington.
A Saudi national released from U.S. detention at Guantanamo Bay, Cuba, in September 2007 is believed to be a key leader in al Qaeda's operations in Yemen, according to a U.S. counterterrorism official.
Belgian authorities charged six suspected al-Qaeda-linked extremists with membership in a terrorist group Friday, including a woman they called an "al Qaeda living legend," according to media reports.
The United States is providing weapons and ammunition to Somalia's transitional government as it fights al Qaeda-linked Islamic militants, State Department spokesman Ian Kelly said Thursday.
Al Qaeda's top financier for Yemen and Saudi Arabia has been taken into custody, the Yemeni government announced Sunday.
In a new anti-Israel, anti-U.S. video, an American al Qaeda member makes reference to his Jewish ancestry for the first time in an official al Qaeda message.
Al Qaeda operatives are leaving the battle zones along the Afghanistan-Pakistan border and heading for Somalia and Yemen, where they have set up training camps, according to U.S. intelligence officials.
European intelligence agencies are on alert for new al Qaeda terrorist plots following the arrest of two men at an Italian port and investigations into the activities of an alleged al Qaeda network based in Brussels.
The latest video from Somalia's al Qaeda-backed Al-Shabaab wing is as slickly produced as a reality TV show but with a startling message -- complete with a hip-hop jihad vibe.
A former U.S. Navy sailor who provided al Qaeda supporters secret information about planned ship movements received a maximum 10-year prison sentence, the Justice Department announced Friday.
Yemen has denied "exaggerated and false" media reports that it recently released 170 al Qaeda suspects from its prisons, according to a statement issued on Tuesday by its embassy in Washington.
A Saudi national released from U.S. detention at Guantanamo Bay, Cuba, in September 2007 is believed to be a key leader in al Qaeda's operations in Yemen, according to a U.S. counterterrorism official.
Belgian authorities charged six suspected al-Qaeda-linked extremists with membership in a terrorist group Friday, including a woman they called an "al Qaeda living legend," according to media reports.
Belgian police Thursday arrested a woman they called an "al Qaeda living legend" as part of an operation to thwart a terror attack being planned to coincide with an EU summit in Brussels, a Belgian police source told CNN.
A leader of the Sons of Iraq anti-al Qaeda group was killed Saturday when a bomb attached to his vehicle exploded, an Iraqi Interior Ministry official said.
The Mumbai attacks remind the world that the intertwined problems of Pakistan, India and Afghanistan will be the most extreme foreign policy challenge that President Obama will face as he assumes office.
The congressionally authorized Commission on the Prevention of Weapons of Mass Destruction Proliferation and Terrorism issued a report this week that concluded: "It is more likely than not that a weapon of mass destruction will be used in a terrorist attack somewhere in the world by the end of 2013."
Spiritual leaders of New York's African-American Muslim communities lashed out Friday at a purported al Qaeda message attacking President-elect Barack Obama and, using racist language, comparing him unfavorably to the late Malcolm X.
Saudi Arabia has announced that nearly 1,000 suspects accused of having ties to al Qaeda will soon be tried for carrying out dozens of "acts of war" against the Arab kingdom, according to Saudi media reports on Tuesday.
In a video marking the seventh anniversary of the September 11 terrorist attacks, al Qaeda's top leader in Afghanistan vows more "large-scale" attacks against the United States and its allies.
Suspected Al Qaeda militants disguised as security forces launched an explosive assault on the U.S. Embassy in Yemen's capital, Sanaa, Wednesday killing 10 Yemeni police and civilians, officials said.
Osama bin Laden's top lieutenant has conveyed leaders' dissatisfaction with al Qaeda's operations in Iraq, according to the U.S. military, which says it has uncovered letters authored by the terror outfit's No. 2 man.
The new fashion in Washington is optimism -- at least so far as al Qaeda is concerned. In recent months, a succession of senior administration officials have trumpeted if not quite the end of al Qaeda at least the beginning of its end.
Al-Qaeda's top commander in Afghanistan warned of more attacks against the West in a video posted on the Web that paid tribute to a suicide bomber said to have carried out the June bombing of the Danish Embassy in Pakistan
Al-qaeda confirmed in a Web statement Sunday the death of a senior commander known as a top explosives and poisons expert, who is believed to have been killed in a U.S. airstrike in Pakistan last week
Al Qaeda ended days of speculation Sunday by confirming that one of its chemical weapons experts was killed last week along with three other "heroes," according to a statement posted on a radical Islamist Web site.
An al Qaeda "military leader" who escaped from a U.S. prison in Afghanistan in 2005 was killed in a recent U.S. airstrike, according to a statement posted on radical Islamic Web sites known to carry messages from al Qaeda.
Israeli authorities have arrested six Arabs suspected of trying to build an al Qaeda-linked cell, including one person said to have asked about targeting President Bush's helicopter.
Saudi authorities announced a massive anti-terrorism sweep Wednesday that netted more than 500 members of a purported al Qaeda-linked terrorist cell said to be planning attacks on Saudi targets, including major oil installations.
Scotland Yard and Downing Street both said Wednesday they have launched investigations into how top-secret British intelligence documents on al Qaeda and Iraq came to be left on a commuter train by a senior civil servant in the UK's Cabinet Office.
A Web posting purportedly from al Qaeda has claimed responsibility for Monday's blast outside the Danish embassy in Pakistan, which killed at least six people.
Al Qaeda or one of its affiliates was probably behind an explosion outside the Danish embassy in Pakistan, Denmark's intelligence service said Tuesday.
Analysis: Yes, we've seeing success in Iraq, says Robert Baer. But it has nothing to do with rooting out terrorist cells
Defense lawyers for five suspected al Qaeda members asked a military appeals court Thursday to delay their clients' arraignments because several of the attorneys have not received security clearances that would allow them to participate in the hearing.
When the seven men were arrested in June 2006, federal authorities said they had broken up a dangerous home-grown terror cell plotting to blow up Chicago's Sears Tower and other landmarks.
The inmates huddle below the barbed wire, looking up at the strangers who have arrived at the detention facility. They're dressed in bright yellow, almost fluorescent jumpsuits. There are 2,000 of them, described by the U.S. military as hard-core al Qaeda loyalists.
The convicted leader of al Qaeda in Spain and two Syrian-born alleged accomplices have been charged in a new case on suspicion of financing terrorist cells.
With U.S. and Iraqi forces focused on the Shi'ite Mahdi Army, the Sunni insurgents have begun hitting the enemies that kept them at bay in the capital
Osama bin Laden's chief deputy warns that al-Qaeda still has plans to target Western countries involved in the Iraq war in a new audiotape
Two top leaders of an al Qaeda-linked terror network are in the custody of Indonesian police following their arrest in Malaysia, authorities said Tuesday.
The jury in the retrial of six men accused of plotting to work with al Qaeda to blow up U.S. buildings told a judge Friday that it was deadlocked after 10 days of deliberations, but the judge ordered the 12 to keep working toward a verdict.
The second-in-command of al Qaeda has said the terrorist group does not kill innocents and that its leader Osama bin Laden is healthy, according to a transcript of an audio tape released by radical Islamist Web sites.
The Pentagon says authorities have captured a high-level al-Qaeda figure who helped Osama bin Laden escape from Afghanistan in 2001
The death toll from twin suicide blasts in the eastern Pakistani city of Lahore grew to 28 Wednesday, as police opened an investigation into possible al Qaeda involvement in the attacks.
Support from Pakistanis for al Qaeda and the Taliban has plummeted in Pakistan, and so has their confidence in the current government, according to two recently released nationwide polls.
U.S. vulnerability to al Qaeda-inspired extremism in Europe continues to be the key worry of the National Counterterrorism Center, the head of the agency told a Washington think tank Wednesday.
Al Qaeda has begun an online propaganda campaign, targeting German-speaking Muslims with increasing amounts of terror-related content, German security officials have told CNN.
Reports that a senior al-Qaeda operative was killed in Pakistan could be a blow to Pakistan's President
The murder of a top Lebanese anti-terror investigator raises fears of heightened activity by al-Qaeda-related groups
On a videotape released Sunday, American al Qaeda member Adam Yahiye Gadahn renounces his U.S. citizenship, destroys his passport and cites U.S. President Bush's upcoming trip to the Middle East.
Al Qaeda claimed responsibility Thursday for a bombing a day earlier in Algeria that killed four police officers and wounded 20 people at a building housing security forces.
U.S. troops killed six suspected al Qaeda terrorists and captured 14 others in operations Saturday and Sunday in central and northern Iraq, the U.S. military said.
The jihadists usually focus on massive civilian attacks. But Bhutto's killing may be a sign of a diversifying playbook
The FBI and the Department of Homeland Security issued a bulletin Thursday citing an alleged claim of responsibility by al Qaeda for former Pakistani Prime Minister Benazir Bhutto's assassination, a DHS official told CNN.
More militants from Libya are turning up in Iraq, U.S. military researchers say.
Most Saudi Arabia citizens interviewed in a poll oppose terrorism and want closer ties with the United States. But many Saudis remain opposed to making peace with Israel, according to what researchers call an unprecedented survey of the kingdom.
Osama bin Laden's top lieutenant warned in a video statement released Sunday that Iraqi tribal leaders who side with U.S. troops against al Qaeda fighters would face reprisals when Americans leave Iraq.
On Scene: A TIME reporter fills a sandbag and tracks his small contribution to the battle in a remote corner of the war
Two days of heavy fighting between Pakistani troops and Taliban and al Qaeda militants near the rugged border with Afghanistan has left dozens dead on both sides, an army spokesman said Monday.
Dozens of Islamic militants loyal to al Qaeda attacked Shiite Muslim villages north of Baghdad around dawn Sunday, killing more than a dozen people, an Interior Ministry official said.
A militant Islamic group that recently renamed itself al Qaeda Islamic Maghreb has claimed responsibility for two suicide attacks that killed dozens in Algeria -- including an assassination attempt on the country's president.
New York police officers screened vehicles Saturday near Wall Street with radiation detection devices as "a precautionary measure" after an unconfirmed Web report about a possible radiological attack on U.S. cities.
Al Qaeda is increasing its efforts to get operatives into the United States for an attack and has nearly all the resources it needs to carry out such a mission, a draft of a new U.S. government intelligence analysis says, according to two government officials familiar with it.
Al Qaeda is the strongest it has been since the aftermath of the September 11, 2001, terrorist attacks, a new U.S. government analysis concludes, according to a senior government official who has seen it.
Civilians helped coalition and Iraqi forces conduct a massive raid on an al Qaeda hideout in the town of Sherween, leaving 20 suspected terrorists dead and 20 more in coalition custody, the U.S. military said Wednesday.
An al-Qaeda inspired computer expert who dubbed himself "the jihadist James Bond" was ordered imprisoned for 10 years Thursday for running a network of militant Islamist Web sites
Al-Qaeda's deputy leader Ayman al-Zawahri sought to bolster the terror network's main arm in Iraq in a new video released Thursday
U.S. and Iraqi troops captured two senior al-Qaeda militants and seven other operatives Saturday in Diyala province, an Iraqi commander said, as an offensive to clear the volatile area of insurgents entered its fifth day
Seven children were killed in an airstrike by the U.S.-led coalition on a compound in eastern Afghanistan where al Qaeda fighters were believed to be gathered on Sunday, according to a U.S. military statement.
A purported cease-fire between al-Qaeda and Iraq's leading Sunni insurgent group could be bad news for the U.S.
Saudi Arabia's Interior Ministry announced Thursday it had arrested 11 al Qaeda members in the span of 48 hours who were responsible for financing and encouraging terrorism.
U.S. forces have freed 42 Iraqi citizens who were kidnapped, held by al Qaeda in Iraq for as long as four months and possibly tortured, a U.S. military spokesman said Sunday.
Five Britons have been jailed for life after being found guilty of plotting to carry out al Qaeda-inspired bomb attacks across Britain on targets ranging from a nightclub to a shopping mall.
A 43-year-old U.S. citizen was charged Wednesday with providing material support to al Qaeda and plotting to set off bombs in Europe and the United States, according to a federal indictment unsealed in Columbus, Ohio.
An al Qaeda-affiliated group has claimed responsibility for Wednesday's two bomb blasts in Algiers that the state-run news agency Algerie Presse Service said killed at least 24 people and wounded 222.
Pakistan has denied published reports that indicated al Qaeda is active and getting stronger in its tribal North Waziristan region along the country's border with Afghanistan.
An al Qaeda video posted on Islamist Web sites Friday shows armed fighters meticulously planning and executing an operation against what they say are U.S. and Afghan forces at a checkpoint in southern Afghanistan.
French police have arrested 11 people over the last 24 hours in an anti-terror operation, French authorities told CNN Wednesday.
Pakistan's tribal areas along the border with Afghanistan have become an accepted haven for al Qaeda leaders such as Osama bin Laden and Ayman al-Zawahiri, a senior U.S. intelligence official told CNN on Wednesday.
Helicopter gunships attacked suspected al Qaeda fighters in the south Tuesday after U.S. forces staged airstrikes in the first offensive in the African country since 18 American soldiers were killed there in 1993, witnesses said.
Saudi security officials said Saturday they foiled a planned terrorist suicide attack and arrested 139 suspected Islamist militants who were in "sleeper cells" believed to be affiliated with al Qaeda.
A senior al Qaeda leader in Afghanistan who escaped last year from Bagram prison has been captured, U.S. military sources said Monday.
An al Qaeda operative wanted in connection with the 1998 U.S. Embassy bombings was killed in April in Pakistan, American officials have confirmed.
Afghan and coalition forces killed three suspected al Qaeda members and detained three associates during a raid in eastern Khowst province Friday, a statement from the Coalition Press Information Center said.
An Egyptian militant group vigorously denied weekend assertions by Ayman al-Zawahiri, al Qaeda's second-in-command, that the group's members had joined the ranks of the terrorist network.
Germany's federal prosecutor's office announced Saturday it has arrested a German of Moroccan descent on charges that he recruited suicide bombers for Iraq and financially supported the al Qaeda terrorist network.
Six men pleaded not guilty Friday to charges they plotted to blow up U.S. buildings after prosecutors fighting bail for the group played a video that they alleged show the men swearing allegiance to al Qaeda.
Spain's Supreme Court has overturned the conviction of a Syrian-born man for conspiracy in the September 11 attacks in the United States.
President Bush on Thursday told Americans that their privacy "is fiercely protected" after a newspaper report that the National Security Agency compiled a database of domestic phone records.
The following is a partial statement read Wednesday by court spokesman Edward Adams regarding 23 mitigating factors considered by jurors in the sentencing trial of admitted al Qaeda conspirator Zacarias Moussaoui:
Two security guards who helped thwart Friday's attempted bombings at a Saudi Arabian oil-processing complex died at a hospital, the Interior Ministry said Saturday, confirming reports from the previous day.
Saudi security forces have thwarted an attempted suicide attack at an oil processing facility in eastern Saudi Arabia, Saudi security sources told CNN.
Al Qaeda and the like have similar weaknesses to other modern organizations, according to two West Point studies that portray the terror network as sophisticated but its daily operations as banal.
Oil prices closed low Wednesday after a government report showed that crude supplies had jumped more than expected last week, despite seesawing midsession on terror worries.
A Democratic senator on Sunday said newly declassified information shows that Bush administration officials repeatedly accused Iraq of training al Qaeda terrorists long after interrogators concluded the source of the report was "intentionally misleading" captors.
An al Qaeda member wanted for training terrorists and known for his inflammatory writings has been captured in a raid in Pakistan, two U.S. counterterrorism officials told CNN on Friday.
Pakistan arrested two suspected members of al Qaeda this week in the southwestern city of Quetta following a shootout that left a third suspect dead, Pakistani government and intelligence sources told CNN.
The trial of two men charged with financing global al Qaeda activities has resumed in Madrid in a basement courtroom under tight security.
Senior U.S. intelligence officials call a letter from al Qaeda's No. 2 man to its leader in Iraq "chilling" because of how "calm, clear and well argued" it is in urging preparation for a U.S. departure from Iraq.
President Bush delivered what the White House termed a "major speech" Thursday on the progress of the war in Iraq and the broader conflict against terrorism.
A Spanish court Wednesday convicted a man, known in the local media as the "Spanish Taliban," of membership in the al Qaeda terrorist group, and sentenced him to six years in prison, a court spokeswoman told CNN.
A suspected al Qaeda cell leader has been convicted in a Madrid court in connection with the September 11 terrorist attacks and sentenced to 27 years in prison.
U.S. counterterrorism officials said Monday that they were skeptical that a purported al Qaeda tape that threatened California and Australia was a prelude to an attack.

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