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.
Al Shabaab, which has connections to al Qaeda, is a militant Islamist group that controls much of southern Somalia and is active around the capital, Somalia. It has waged an insurgency against the weak Transitional Federal Government since 2007.
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.
Somali forces say they've taken the remaining strongholds of al Qaeda affiliate Al-Shabaab in Mogadishu.
To those who knew him before he became known as the "underwear bomber," Umar Farouk AbdulMutallab was a quiet, religious man. So how did the son of a prominent Nigerian banker with a graduate degree in engineering allegedly decide to wage holy war?
Ten years after an anthrax attack killed five people and awakened the nation to the dangers of bioterrorism, the United States remains largely unprepared for a large-scale bioterrorism attack or deadly disease outbreak, according a new report from the WMD Terrorism Research Center.
Umar Farouk AbdulMutallab, the Nigerian man accused of trying to detonate an explosive device in his underwear aboard a flight to Detroit, surprised courtroom officials and spectators on the second day of his trial Wednesday by pleading guilty to all the counts against him.
Umar Farouk AbdulMutallab pleads guilty to trying to detonate an explosive device in his underwear aboard a 2009 flight.
In his latest video, al Qaeda leader Ayman al-Zawahiri congratulated the Libyan people on their victory against dictator Moammar Gadhafi but warned them against Western manipulation as they forge ahead in building a new nation.
The federal trial continues Wednesday for Umar Farouk AbdulMutallab, the Nigerian man accused of trying to detonate an explosive device in his underwear aboard a Christmas 2009 flight to Detroit.
Opening statements will begin in the trial of a Nigerian man accused of trying to detonate a bomb aboard a 2009 flight.
The judge in the federal trial of alleged "underwear bomber" Umar Farouk AbdulMutallab refused Tuesday to prevent the prosecution from calling the device he allegedly carried a "bomb."
A jury has been selected in the trial of accused underwear bomber Umar Farouk AbdulMutallab.
A truck filled with explosives barreled into a government complex in the heart of Somalia's war-torn capital.
A truck filled with explosives barreled into a government complex in the heart of Somalia's restive capital Tuesday, a brazen strike killing dozens of people, including students registering for an education program.
The man accused of trying to blow up a commercial flight with a bomb hidden in his underwear entered court Tuesday shouting anti-American statements and claiming that Anwar al-Awlaki, a U.S. citizen and accused terrorist who was killed in a drone attack in Yemen, is still alive.
The U.S. drone killing of American-born and -raised Muslim cleric Anwar al-Awlaki, a major figure in al Qaeda in the Arabian Peninsula, has re-energized a national debate over the legal and moral quandaries of a government deliberately killing a citizen.
The killings Friday of alleged terrorists cleric Anwar al-Awlaki and computer expert Samir Khan could spark retaliatory attacks against the United States, according to the FBI and the Department of Homeland Security.
The deaths of alleged terrorists Anwar al-Awlaki and Samir Khan could spark others to launch attacks against the United States in retaliation, according to the FBI and Department of Homeland Security.
The FBI interrogator who bluffed al Qaeda detainees into giving up significant intelligence began his career in an unusual way.
The death of Anwar al-Awlaki deprives al Qaeda of a leading propagandist and an inspirational figure to jihadists the world over.
Nic Robertson reports on the influence of Anwar al-Awlaki, a Yemeni preacher in league with al Qaeda.
Ten years after the devastating attacks on America, Defense Secretary Leon Panetta recently said the United States is "within reach of strategically defeating al-Qaeda."
Born and educated in the United States, how did Anwar al-Awlaki, a charismatic Muslim cleric, go from "all-American boy" to a terrorist spokesman and recruiter for al Qaeda in the Arabian Peninsula?
Newly released FBI documents say a person's name could be on the U.S. government's terror watch list even if terror charges have been dismissed or if the person has been acquitted in a trial.
Six men appeared in a London court Monday charged in connection with an alleged planned terrorist bombing campaign in the United Kingdom. The six were arrested last week in Birmingham as part of what authorities called a "major operation."
CNN's Dan Rivers has more on six men accused of planning a terrorist brombing in Britain.
A deadly bombing in Abuja has launched a little-known Islamic extremist group onto the terrorism radar, raising U.S. officials' concern about the spread of the influence of al Qaeda.
The Pakistani Taliban declared Friday they will target the weddings and funerals of anyone involved in pro-government activity against them.
The federal judge presiding over the trial of terror suspect Umar Farouk AbdulMutallab is allowing prosecutors to use incriminating statements made by him while he was being interrogated by federal agents, a court official said.
U.S. officials reported the death of an al Qaeda figure identified as the terrorist network's chief of operations in Pakistan, the latest in what they called a series of significant blows to the terrorist network.
A suicide bomber killed 26 people and injured 63 others during a funeral procession in northwestern Pakistan Thursday, a senior police official told CNN.
A Nigerian man accused of trying to detonate an explosive device in his underwear aboard a Christmas 2009 flight to Detroit said, "Osama's alive," according to a court official who was in the courtroom.
Al Qaeda leader Ayman al-Zawahiri has apparently released a new message to coincide with the 10th anniversary of the 9/11 terror attacks, in which he praises the Arab Spring as a "devastating blow" to the United States.
Al Qaeda is weakened but remains a significant threat to the United States, the nation's top intelligence officials told a congressional committee Tuesday.
Americans from across the country honor those who lost their lives in the terrorist attacks on September 11, 2001.
The Taliban have accused the United States of killing tens of thousands of Afghans and brutally torturing others in a defiant statement marking the 10th anniversary of the 9/11 terror attacks against the United States.
For Tim Duffy, the day started with a postcard-perfect sky over Cape Cod. Within hours, everything changed.
"CNN Presents: Footnotes of 9/11." Drew Griffin interviews ordinary Americans who were thrust by fate into history.
Aicha el-Wafi, Mother of 9/11 '20th hijacker' Zacarias Moussaoui tells CNN about her sons path into extremism.
In hindsight, Aicha el-Wafi can see that the warning signs about her son Zacarias Moussaoui were present as he was growing up in southern France.
The credible but as yet unconfirmed reports that three men directed by al Qaeda have plans for an attack on the United States to coincide with the 10th anniversary of September 11 reminds us of the persistence of the threat from Islamist terrorists.
Lyzbeth Glick Best recalls her final conversation with her husband, who helped overtake the 9/11 hijackers on Flight 93.
U.S. intelligence officials have warned that al Qaeda may be planning an attack targeting either New York City or Washington around the time of 10th anniversary of 9/11.
In the days following the 9/11 attacks, Attorney General John Ashcroft asserted that criticism of the Bush administration "only aids terrorists" and "gives ammunition to America's enemies." White House Press Secretary Ari Fleischer warned that "all Americans ... need to watch what they say, watch what they do." Meanwhile, Secretary of State Condoleezza Rice told television executives they should not air videos from Osama bin Laden because these could contain coded messages.
The Newseum's War on Terror exhibit displays artifacts from 9/11 attacks and items obtained in the war on terrorism.
Note to Educators and Parents: Today's middle and high school students may have been too young to remember or to understand what happened on September 11, 2001. The events of that tragic day, while memorable to adults, are not in many students' immediate frame of reference. As the nation observes the 10th anniversary 9/11, you may choose to address it with your students. CNN Student News has provided these discussion questions and learning activity to help guide students' understanding of the events of that day and their impact on students' lives.
Two suicide bombers targeted the home of a senior officer with Pakistan's paramilitary force Wednesday, killing at least 23 people and wounding 52.
Two suicide bombers targeted the home of a senior officer with Pakistan's paramilitary force, killing at least 20.
Watch or record "Beyond Bravery: The Women of 9/11" at 10 p.m. ET Sunday, Sept. 11. By recording the documentary, you agree that you will use the program for educational viewing purposes for a one-year period only. No other rights of any kind or nature whatsoever are granted, including, without limitation, any rights to sell, publish, distribute, post online or distribute in any other medium or forum, or use for any commercial or promotional purpose.
President Barack Obama plans to speak at the Washington National Cathedral on the evening of September 11 to commemorate the terrorist attacks of September 11, 2001, event organizers said Tuesday.
A Pakistani intelligence service has arrested a senior al Qaeda leader in Pakistan. CNN's Nick Paton Walsh reports.
The Pakistani intelligence service has arrested a senior al Qaeda leader who sought to attack targets in the United States, Europe and Australia, the Pakistani military said Monday.
Suicide bombers are responsible for killing more than 12,000 Iraqi civilians and wounding more than 30,000 since the war began, according to study released by the British medical journal Lancet.
A Nigerian militant group has claimed responsibility after a car loaded with explosives rammed into the United Nations' building in the capital, killing 23, a government spokesman said Monday.
The death of al Qaeda's No. 2, Atiyah Abdul Rahman in Pakistan, is a hammer blow to the terrorist organization.
Al Qaeda's second-in-command, Atiya Abdul Rahman, has been killed in Pakistan, a U.S. official said Saturday.
Twin suicide attacks in southern Yemen killed 12 tribesmen early Sunday morning, authorities said.
The Egyptian army and police are cracking down in an "anti-terror" operation in the Sinai area of Egypt, state-owned media reported on Tuesday, as reports emerge of Osama bin Laden's doctor surfacing in the area.
Dozens are killed in Kut, Iraq, after a car bomb and roadside bomb explode on a busy commercial street.
A barrage of attacks struck Monday across Iraq, killing at least 84 people and wounding more than 200, said officials, who likened the attacks to another outbreak last year.
Six militants storm governor's compound in Parwan province after a suicide blast, killing at least 19 people.
The Pakistani Taliban claimed responsibility Friday for the back-to-back bombings in the country's northwest that killed seven people, a senior Taliban leader said in a phone call to CNN.
A teenage suicide bomber blew herself up Thursday at a police checkpoint in the northwest Pakistani city of Peshawar -- minutes after a blast targeting a police truck a few blocks away, authorities said.
Umar Patek, one of Southeast Asia's most wanted men for his alleged involvement in a series of deadly bombings, was repatriated to Indonesia Thursday, Indonesian authorities said.
The National Park Foundation will match donations totaling up to $2 million for a memorial in Pennsylvania commemorating United Airlines Flight 93, which crashed on September 11, 2001, after hijackers took over the plane, according to an official of the fundraising effort.
CNN's Reza Sayah responds to a Washington Post report that government agencies believe al Qaeda is no longer a threat.
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