I revisited the incredible courage of the passengers aboard Flight 93, who faced the unthinkable on 9/11. Their heroic actions changed the course of that day — here’s how they took a stand when it ...

Ginny Barnett of Unity, a volunteer ambassador with the Flight 93 National Memorial, takes notes as she previews the new “Health Effects of 9/11” exhibit on Thursday in the memorial site’s ...

Sarah Rachael Wainio is a documentarian whose credits include The Food Network, FacebookWatch, Netflix, Max and MTV, where ...

DECATUR – Danny Jones, a firefighter for the Jamestown, Pa., Volunteer Fire Department, was on duty a few days after Sept. 11, 2001, when he received a call for first ...

President Trump spoke at a ceremony in Pennsylvania today to commemorate the victims of 9/11, using much of his speech to applaud the bravery of the passengers of United Flight 93.

At the Flight 93 National Memorial near Shanksville, Pennsylvania, plans are already underway not just for this year's ceremonies, but for the 25th observance of the attacks, which is coming up in ...

Flight 93 9/11 health effects exhibit. ... — The World Trade Center Health Program has opened a new traveling exhibit at the Flight 93 National Memorial in Somerset County.

American Airlines Flight 11 plowed into the north tower of the World Trade Center, ... Emergency personnel mark off the crash site of United Airlines Flight 93 near Shanksville, Pa., Sept. 11, 2001.

Beyond the post-9/11 public attitude adjustment, other security measures were being put into place. Aside from the U.S. initiative of terrorist hunting, the TSA was defining its protocols.

Biden, on his last Sept. 11 in office, and Harris paid respects Wednesday at all three 9/11 attack sites: ground zero, the Pentagon and a rural part of Pennsylvania. The president, vice president — ...

On the following pages, the ABC News Investigative Team's 9/11 timeline details what America was doing and what the hijackers were doing, day-by-day, in August and September 2001. In daily updates ...

As mission commander over Washington, D..C., on 9/11 Air Force Gen. Dan “Razin” Caine had to decide whether to shoot down aircraft.