Donald Trump and Joe Biden will commemorate the 19th anniversary on Friday of the Sept. 11 attacks, with both candidates separately visiting the rural Pennsylvania field where one of the hijacked planes crashed.

Stephen Cooper was delivering documents on Sept. 11, 2001, when the Twin Towers were hit.

The way we travel, cross borders, choose politicians, view religion, even look at each other — as Scott Thompson writes, it all changed 18 years ago.

Appearing in the Rose Garden with more than 60 first responders from the 2001 terrorist attacks, Trump signed into law an extension of the fund through 2092, essentially making it permanent.

Alvarez was diagnosed with colorectal cancer in 2016. He traced his illness to the three months he spent in the rubble of the World Trade Center's twin towers after the 2001 terrorist attacks.

Americans are commemorating 9/11 with sombre tributes, volunteer projects and a new monument to victims, after a year when two attacks demonstrated the enduring threat of terrorism in the nation’s biggest city.

For years, Nathan Edwards was haunted by a photo lying in the rubble, desperate to know if the mother and child pictured were still alive.

The unidentified remains of those killed in the Sept. 11, 2001, terrorist attack returned to the World Trade Center site in a solemn procession on a foggy Saturday morning.

A cavernous museum on hallowed ground is finally nearing completion, far below the earth where the twin towers once stood.