Three people were killed and 36 were injured in back-to-back explosions in eastern Afghanistan on Saturday, a province official said.
Gunmen stormed two adjacent homes in the northern Iraqi city of Mosul late Monday and shot dead two men, the latest in a series of attacks targeting Christians, an Iraqi Interior Ministry official said.
At least one suicide bomber has attacked the airport area of Jalalabad, Afghanistan, officials said.
A intelligence chief once charged with finding Osama bin Laden says he watched as his mountain hideout was bombed.
When Osama bin Laden was being bombed at Tora Bora, Dr. August Hanning was Germany's foreign intelligence chief charged with hunting him down.
The death toll from a suicide car bomb attack on a police facility in Pakistan's largest city has risen to 17, police said.
An explosive device found in a cargo plane in England last month probably would have exploded over the Eastern Seaboard of the United States if it had not been discovered, Scotland Yard said Wednesday.
Investigators search for clues in the Yemen cargo bomb plot. CNN's Jeanne Meserve reports.
Al Qaeda is still planning Mumbai-style attacks in Europe, with the United States also possibly being targeted, counter-terrorism officials in Europe and the United States tell CNN.
Yemen's foreign minister has told CNN that his country has U.S. military drones at its disposal and that U.S. intelligence is helping find al Qaeda operatives.
Yemen's foreign minister tells CNN's Hala Gorani that Yemen has American drones at its disposal.
President Barack Obama and Indian Prime Minister Manmohan Singh discussed for a second time Monday what information the U.S. government had about David Headley, U.S. officials said.
President Obama told Indian lawmakers that safe havens for terrorists in Pakistan are unacceptable.
The United States received intelligence from Saudi Arabia early last month about a possible terror plot involving the use of at least one airplane, a U.S. counterterrorism official told CNN on Saturday.
The death toll from a suicide bombing in northern Afghanistan has increased to 12, a spokesman for the governor of Faryab province said Saturday.
The Yemen-based arm of the al Qaeda terrorist network claimed responsibility Friday for last week's plot to send explosive devices on cargo planes bound for the United States.
Yemen's foreign minister said Friday the international community is treating his country unfairly because of "the crimes of a few."
Additional details surfaced Thursday pointing to similarities between the bombs found in packages mailed from Yemen last week and a failed attempt to blow up a plane as it landed in Detroit, Michigan, last year.
CNN's Ivan Watson reports from Athens, Greece, where possible letter bombs have been found.
At least five people died and 35 others were wounded Friday when a suicide bomber struck a crowded marketplace in northern Afghanistan, a government official told CNN.
Police cordoned off one of the busiest thoroughfares in the heart of the Greek capital Thursday as a bomb disposal team investigated a suspicious package found at the entrance to a bank.
An "all-clear" was given at New York's John F. Kennedy International Airport Wednesday night after a DHL cargo facility there was evacuated following the discovery of a suspicious package, authorities said.
Separate federal indictments claim that supporters of the Islamic extremist group Al-Shabaab have funneled money for brutal terrorist operations.
A member of al Qaeda's wing in Yemen intent on staging an attack was arrested in Britain earlier this year, the British home secretary said Wednesday.
The United States has officially designated Iranian extremist group Jundallah as a foreign terrorist organization, the State Department said Wednesday.
Yemeni prosecutors Tuesday accused an American-born militant cleric, Anwar al-Awlaki, with incitement to kill foreigners, a legal action that reflects the government's newfound resolve to hunt down the notorious al Qaeda figure.
Yemen is tightening security at all of its airports in the aftermath of a plot to send bombs from Yemen to the United States, the country's National Civil Aviation Security Committee said Monday.
Investigators believe two explosive packages found at airports in Dubai and the United Kingdom on Friday were assembled by the same bomb-maker responsible for the device used in last year's failed Christmas Day "underwear bomb" plot.
Two police officers were killed Monday morning in a suicide attack targeting a police compound in northwest Pakistan, officials said.
At least 32 people were wounded, five seriously, in an apparent suicide bombing in the center of Istanbul on Sunday, police said.
Investigators are leaning in the direction that the same person or persons who crafted the Christmas Day underwear bomb were behind the PETN-based devices hidden in packages sent from Yemen, a U.S. government official told CNN.
Homeland Security Secretary Janet Napolitano responds to the recent international security alert.
Two packages found abroad that were bound for Jewish organizations in the United States contained a massive amount of explosive material that would have triggered a powerful blast, a source close to the investigation has told CNN.
U.S. officials say that al Qaeda in the Arabian Peninsula, a fairly new arm of the umbrella terrorist organization, is behind an apparent plot to send explosive devices to U.S. destinations via cargo planes.
CNN's Nic Robertson profiles alleged terrorist mastermind Anwar al-Awlaki.
The French government will not be swayed by a threatening message apparently recorded by Osama Bin Laden, French President Nicolas Sarkozy said Friday.
A man purporting to be Osama Bin Laden gave France a warning in a tape broadcast by the Al-Jazeera network Wednesday.
A tape of a man claiming to be Osama Bin Laden threatening France appears to be authentic, the French Foreign Ministry said Thursday.
A search warrant revealed new details Thursday about an alleged plot by Virginia man to help others he thought were members of al Qaeda in planning multiple bombings at Metrorail stations in the Washington area.
A former FBI official says the man arrested for allegedly attempting to blow up D.C.-area Metrorail stations was set up.
A man purporting to be Osama Bin Laden warned France to get its troops out of Afghanistan and not to oppress Muslims at home in a tape broadcast by the Al-Jazeera network Wednesday.
CTV's Paul Workman reports on the Khadr trial at Guantanamo Bay, Cuba
Guantanamo detainee Omar Khadr tossed a grenade "with the specific intent of killing or injuring as many Americans as he could" at the end of a July 2002 firefight in Afghanistan, according to a stipulation of facts document Khadr signed as part of his guilty plea.
Yemeni-American cleric and militant Anwar al-Awlaki appeared in a new video message Saturday, saying that Islam is in "severe need for guidance in these dark situations" and that the religion is "exposed to fateful dangers."
American taxpayers have forked over around half a trillion dollars to U.S. intelligence services since the 9/11 attacks, yet nearly a decade after al Qaeda assaults on New York and Washington, the American intelligence community still cannot answer the most basic of questions:
The Pakistani Ambassador reacts to reports that Pakistan is protecting Osama Bin laden during an interview with CNN.
Three suicide bombers launched an attack on the Chechen parliament Tuesday, killing at least three people, officials told CNN.
A Yemeni court Monday sentenced to death one of the leaders of the terrorist group al Qaeda in the Arabian Peninsula, Yemen's state-run news agency reported.
With Europe on high alert for attacks, a U.S. counterterrorism official said that al Qaeda remains a "serious threat" in Europe and beyond.
Saudi Arabian intelligence services are warning of a new terrorist threat from al Qaeda in the Arabian Peninsula targeting Europe, especially France, French Interior Minister Brice Hortefeux said in a radio interview Sunday.
In January, the man charged with trying to blow up a Northwest Airlines plane pleaded not guilty to federal charges.
The federal judge in the Christmas Day bombing attempt case has granted the defendant's backup attorney access to case documents.
European intelligence agencies have growing concerns about the possibility of a terrorist attack on the continent in the coming weeks or months, a European counter-terrorism official told CNN Monday.
CNN's Nic Robertson takes a look at how Europe is reacting to recent terror concerns.
Police in southern France arrest several people for allegedly links to terror networks. CNN's Jim Bittermann reports.
Police in France seized 12 people for suspected terrorist ties Tuesday as Europeans remained on edge over alerts of a suspected terror plot on their continent.
Eight people thought to be German nationals were killed in a suspected drone strike in northwestern Pakistan, two Pakistani officials said Monday.
A group of jihadists from the German city of Hamburg is alleged to be at the heart of the recent al Qaeda plot to launch coordinated terrorist attacks against European cities, European intelligence officials said.
The United States has been involved in airstrikes in Yemen in the past, the director of Yemen's counterterrorism unit acknowledges, but there is no American military presence in the country.
Sweden has raised its threat level in response to reports that the country could be targeted by terrorists, the Swedish Security Service said Friday.
A Yemeni soldier was killed and nine others were wounded in a restive province when the governor's convoy was attacked, government authorities said.
A deadly plan uncovered by Western intelligence services to attack targets across Europe could indicate a change in tactics by al Qaeda, security analysts say.
CNN Security Contributor Paul Cruickshank explains the Hamburg connection to planned "Mumbai-style" attacks in Europe.
A potential terror plot may have involved synchronized attacks in several countries with "at least a dozen" people taking part, a law enforcement official said Wednesday.
Yemeni security forces have driven out al Qaeda elements who infiltrated the town of Hawta in southern Shabwa province, the state-run news agency reported.
Yemen's deputy prime minister for defense and security talks to CNN about the terror threats facing Yemen.
Yemeni forces have laid siege to a southern town believed to be a militant stronghold in what amounts to an intensified effort to combat terrorism, a senior defense official said Thursday.
The terrorism threat against the United States has evolved, with homegrown terrorists and a greater diversity in the scope and methods of attack making it more difficult to prevent them, top security officials told a Senate committee Wednesday.
Four Yemeni soldiers were killed and three others wounded Wednesday in ongoing clashes between the country's military and suspected al Qaeda militants in southern Yemen, the military said.
Yemen has launched a wide-scale offensive against al Qaeda in the country's southeastern province, a government official said Tuesday.
President Barack Obama's counterterrorism adviser, John Brennan, met the president of Yemen to discuss al Qaeda and U.S. support for Yemen, the U.S. Embassy there announced Monday.
Israel grants honorary citizenship to the nanny who saved a young boy during the 2008 Mumbai terror attacks.
Western intelligence agencies were able to form a detailed picture of Osama bin Laden's movements in the years after 9/11, and came closer to capturing or killing him than has so far been acknowledged, a former European intelligence official has disclosed.
Umar Farouk AbdulMutallab, the man accused of trying to blow up a plane last Christmas, said in court Monday that he no longer wants to be represented by federal defenders and would act as his own attorney.
Afghan President Hamid Karzai -- whose country harbored the al Qaeda terror network when the group attacked the United States nine years ago -- used the September 11 anniversary to deplore the assault and call for an effective counterterrorism strategy in the longstanding Afghan war.
North Ossetia will observe a day of national mourning Friday to remember the victims of a car bombing that killed at least 17 people and wounded up to 123 others.
People walk around dazed and bloody after a car exploded in Vladikavkaz, Russia, killing several people. (No audio)
Pakistani police were targeted in two separate attacks Tuesday in the country's northwestern province of Khyber Pakhtunkhwa, officials said, leaving 20 dead and as many as 98 wounded.
The Taliban is responsible for Monday's suicide blast which targeted a police station in northwest Pakistan, a spokesman for the group told CNN.
At least 17 people were killed and 40 wounded in northwest Pakistan on Monday -- the latest in a series of suicide attacks in the country in less than a week.
U.S. military personnel were involved in repelling a suicide bombing attack Sunday on an Iraqi military base in Baghdad, four days after the United States officially ended its combat operations in Iraq.
The death toll from a suicide attack in southwestern Pakistan has risen to 73, police said Saturday.
A bombing at a rally in Quetta, Pakistan, has resulted in several casualties.
People scatter in Lahore, Pakistan, as a small explosion goes off in a procession of Shia Muslims.
The death toll from a trio of suicide attacks during a Shiite processions in Lahore, Pakistan, grew to 31 on Thursday, authorities said.
Hakimullah Mehsud, a key leader of the Pakistani Taliban, has been charged for his alleged involvement in the killings of seven U.S. citizens at an American military base in Afghanistan in 2009, the U.S. Justice Department announced Wednesday.
At least 28 people are dead and at least 218 others were wounded Wednesday after three blasts during a Shiite procession here, authorities in Pakistan said.
The Royal Canadian Mounted Police said authorities Friday took a fourth person into custody in their ongoing investigation into domestic terrorism.
Canadian officials say terrorists planned to construct and use IEDs as part of terror plot in Ottawa.
Three men suspected of being part of a homegrown Canadian terror group participating in terrorist activities are in custody, Canadian law enforcement officials said Thursday.
The Obama administration is considering adding armed CIA drones to help fight the increasing threat of al Qaeda in Yemen, a U.S. official said Wednesday.
At least 43 people -- including a former federal lawmaker and 11 suspected militants -- died in four attacks in northwest Pakistan, government and intelligence officials said Monday.
The long legal saga of convicted terrorist and 9/11 co-conspirator Zacarias Moussaoui may be now be over.
Omar Hammami is living proof that there is no one road to terrorism.
Texas lawmaker Debbie Riddle warns of a new terrorist strategy that involves manipulating U.S. citizenship law.
Two suicide bombers attacked a guest house in central Kabul Tuesday, killing three people, said Afghanistan's Interior Ministry.
An Islamic cleric was arrested Monday for playing a key role in the establishment of a militant training camp in Indonesia's Aceh region, authorities said.
Despite some setbacks, al Qaeda's core leadership in Pakistan remains the biggest threat to the United States, and the group continues to expand and strengthen worldwide, according to a new State Department report.
Fourteen U.S. citizens are indicted for allegedly helping a terrorist group in Somalia. CNN's Jeanne Meserve reports.
An Alabama man described as a jihadist "rock star," two Minnesota women and a California man are among more than a dozen people now charged with aiding al Qaeda-linked rebels in Somalia.
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