9/11

Clark was one of the few people who were able to escape from one of the floors above where the plane hit the 2 World Trade Center.

The president said the site of the crash in Shanksville, Pa., "is now a monument to American defiance ... a message to the world America will never ever submit to tyranny."

Hundreds of first responders gathered at the Tower of the Americas Monday to remember comrades killed in the Sept. 11 terror attacks, which took place 16…

Years after Sept. 11, some schools are grappling with how to teach the terrorist attacks and their aftermath to a new generation of students.

The historic organ of New York City's Trinity Church has been silent for 15 years. That's because Trinity is on Wall Street, and it was buried in dust and debris during the attacks of Sept. 11, 2001. Now the organ is in Georgia and has just been reconsecrated.

Miracle Mattress in San Antonio has closed its doors indefinitely after a commercial they posted on Facebook went viral. The commercial’s gotten a lot of…

In 2001, NPR's Dina Temple-Raston interviewed two men who had been hauling away what was left of the World Trade Center towers. Fifteen years later, she went back to find them.

Working the ticket counter on that terrible day, Vaughn Allex checked in families and a student group. But he also checked in their plane's hijackers. And because of that, "They were just all gone."

Pope Francis led an interfaith prayer service at the museum commemorating those who died in the 2001 terrorist attacks on the World Trade Center.

The National Sept. 11 Memorial Museum trains a small group of high school students to give tours to their families and friends. But all of these tour guides were children when the Twin Towers fell.