Mark Hosenball

The Nigerian man who allegedly attempted to blow up a transatlantic flight on Christmas Day was not listed on a "no fly list" maintained by U.S. intelligence and law enforcement agencies, NEWSWEEK has learned.

American security agencies reviewed the passenger list for Northwest Airlines flight 253 before it left Amsterdam for Detroit on Christmas day and informed the airline that the flight was cleared to take off for the U.S., a Dutch government spokeswoman tells NEWSWEEK. Judith Sluyter, spokeswoman for the NCTB, the office of Holland's national counter-terrorism coordinator, said that before Flight 253 left Amsterdam's Schiphol Airport, the passenger list was transmitted in full to U.S....

The White House called a failed attack by a passenger aboard a Northwest Airlines jet Friday a terrorist act.In the meantime, transportation security is being increased, as this Homeland Security statement confirms: "Department of Homeland Security Secretary Janet Napolitano has been briefed on the incident aboard Northwest Airlines flight #253 and is closely monitoring the situation. "Passengers may notice additional screening measures put into place to ensure the safety of the traveling...

Remember the ugly feeling you used to get in the pit of your stomach after 9/11 every time a new video message from Osama bin Laden or his top deputy, Ayman al-Zawahiri, appeared on TV?

The government of Iran is seeking access through diplomatic channels to an Iranian who earlier this week was sentenced to five years in a U.S. prison after pleading guilty to trying to acquire sensitive U.S. defense technology.

Reports from Pakistan say that as many as 17 terrorist suspects were killed in the Pakistani tribal region in two air attacks carried out using missiles launched from U.S.-operated drone aircraft.

Officials in Scotland are pouring cold water on a British newspaper report alleging that the Libyan convicted of the 1988 Pan Am 103 bombing, who was returned to Libya earlier this year on "compassionate" grounds, had vanished.

Three cheers (at least) to the celebrity gossip website TMZ.com, which has struck a blow for press freedom by publishing the full text of a British judge's injunction banning publication of pictures that, if they even exist, may be embarrassing to Tiger Woods.

Top officials of Pakistan's government want to see five Northern Virginia men currently held by Pakistani police in a terrorism probe expelled from their country as quickly possible.

A clandestine CIA search-and-destroy program, which launches missile strikes from remotely piloted drone aircraft, has killed more than a dozen senior leaders of Al Qaeda during the last two years.

U.S. authorities are increasingly confident that a Somalia-born jihadist whom they describe as a senior Al Qaeda operations planner was killed in the Pakistani border region by a missile fired from a U.S.-operated unmanned Predator drone, according to U.S. and Pakistani counter-terrorism officials.

Five young American Muslims arrested by authorities in Pakistan may have been trying to get to Afghanistan so they could join Taliban insurgents fighting U.S. and allied troops there, according to a U.S. official familiar with the investigation.

Leaders of the Islamic community in the U.S. today said they believed that it was information from community organizations and affected families that led to the arrests in Pakistan of five Washington, D.C., area men on terrorism-related charges.

Five young men from the Washington, D.C., area are reported to have been detained by authorities in Pakistan's Punjab region in connection with an investigation into possible terrorism.

It sounds like a bad joke but it may be a true story: one of the most sensational claims made by the British government in the run-up to the Iraq War about Saddam Hussein's supposed weapons of mass destruction may have come from an Iraqi taxi driver based on a conversation he overheard from passengers in his backseat two years earlier.

  A U.K. government inquiry investigating Britain's involvement in the Iraq War may want to take testimony from U.S. citizens, a British government official has confirmed to NEWSWEEK.

The Obama administration didn't hesitate recently to pick a fight with Fox News, but its Department of Homeland Security now appears to have backpedaled on a report expressing concern about what its analysts earlier this year described as "right-wing extremists." Back in April, Homeland Security's intelligence analysis division produced a nine-page "assessment" describing how the nation's economic problems and the ascent of the first African-American president "could create a fertile recruiting...

Financial machinations and palace intrigue in the tiny principality of Monaco are at the center of a lurid lawsuit that was filed last month—and then withdrawn a few days ago—by an American author and private eye against Prince Albert II, the reigning monarch.

Two internationally prominent apostles of violent jihad, one of whom has been awaiting extradition to the U.S. for a decade, have been able to issue proclamations and exhortations supporting Al Qaeda even though they are locked up in one of Britain's most secure prisons, a new report by a British research group claims.

Federal and local New York authorities maintain they are well prepared to handle any security threats that could arise from the Obama administration's decision to try five 9/11 co-conspirators, including alleged attack mastermind Khalid Sheikh Mohammed, in a federal court in New York City.

A U.S. foundation that the government has labeled a "front" for the government of Iran donated $30,000 to former president Bill Clinton's charitable foundation, according to public records.

The CIA has decisively won a long-running turf fight with the director of national intelligence, the CIA's ostensible boss, over who will be the top U.S. intelligence representatives in foreign countries, NEWSWEEK has learned.

The watchers are being watched: around 75 uniformed Transportation Security Administration (TSA) screeners assigned to "behavior detection" duties at Newark Airport have been temporarily removed from their posts and sent for "retraining" following an internal audit, officials of the agency told NEWSWEEK.

Britain's largest selling tabloid, The Sun, published an intriguing story on Monday claiming that information from Scotland Yard helped the U.S. foil the recent New York- and Denver-based terror plot that may have been targeting the New York subway system.

A senior member of George W. Bush's Pentagon policy team met with an associate of Simon Mann, a colorful British mercenary leader, not long before Mann led a team of soldiers of fortune in an unsuccessful 2004 attempt to oust the dictator of Equatorial Guinea.

U.S. intelligence agencies are combing through their files to see what reports they may have that might have provided advance warning about the apparently growing anger and radical Islamist sympathies of Maj.

The mass shooting at Fort Hood by an Army doctor with an Islamic background has raised new anxiety about terrorism and threats to government personnel and installations.

Did Army security or intelligence officials miss potential warning signs in the behavior of accused Fort Hood shooter Maj. Nidal Hasan? One issue that is likely to be examined by the inquiries into Hasan's shooting spree is the effectiveness of Army security-clearance procedures.

One awkward aspect of the official military record of Maj. Nidal M. Hasan, the accused Fort Hood shooter, is the fact that he was decorated with something called the "Global War on Terrorism Service Medal." What exactly is this decoration?

The following version of Maj. Nidal M. Hasan's official military record was released to NEWSWEEK by U.S. Army headquarters at the Pentagon: NAME: Nidal (AbduWali) M.