September 11 | featured news

Nikki Stern lost her husband in the 9/11 terrorist attacks, and she doesn't understand why knives would be allowed in airplane cabins 12 years later.

Some family members of Sept. 11 terror victims are angry over new flight-safety rules that will permit small knives on planes. The head of the Transportation Security Administration said Tuesday that air passengers will now be allowed to carry folding knives with blades that are 2.36 inches or less. The rules go into effect next month. They'll also permit souvenir baseball bats, golf clubs and other sports equipment. Debra Burlingame says small pocketknives can be just as lethal as the box cutters that are still banned.

United Airlines bears no responsibility for suspected security lapses at a Maine airport that allowed hijackers onto the American Airlines plane that crashed into one of the World Trade Center towers on September 11, 2001, a federal judge ruled.

The Supreme Court heard a challenge to a federal law, enacted after the Sept. 11 attacks, that authorized intercepting international communications involving Americans.

A diminished but resilient al-Qaida, whose 9/11 attacks drew America into its longest war, is attempting a comeback in Afghanistan's mountainous east even as U.S. and allied forces wind down their combat mission and concede a small but steady toehold to the terrorist group....

In a surprise move on Wednesday, accused 9/11 mastermind Khalid Sheikh Mohammed urged the military judge presiding over his case at Guantánamo not to be swayed by broad claims of US national security invoked by prosecutors, nor by sympathy for the nearly 3,000 victims of the 2001 terrorist attacks.

A daring new documentary that uses scientific analysis to challenge the official 9/11 story became the most popular film on PBS during the week of the 9/11 anniversary, which followed its record-breaking broadcast on Colorado Public Television (CPT12).

Eleven years after the 9/11 attacks, there is new information on what the George W. Bush administration knew about al-Qaeda's plans. We learned after 9/11 that a presidential briefing paper in August 2001 was headlined "Bin Laden Determined to Strike in U.S." But Tuesday in the New York Times, investigative reporter Kurt Eichenwald says the White House received ominous warnings as early as May 2001.

Memorial ceremonies marking the anniversary of the September 11 attacks began Tuesday under clear blue skies that recalled the crisp morning 11 years ago when nearly 3,000 people were killed by airliners hijacked by Islamist militants.

President Obama attends a memorial service and Mitt Romney speaks to the National Guard on 9/11 anniversary.