NEW YORK (CNN) -- Debris continued crumbling Tuesday night at the scene of America's worst terrorist attack and may potentially claim thousands of lives. By 10:30 a.m. EDT, the 1,300-foot World ...

Sharing his story of bravery and courage, a former World Trade Center janitor spoke on the University of Wisconsin campus Saturday about how he came to be known as the "9/11 Key Master." William ...

Information is being updated as it becomes available. See an illustration of the North and South towers of the World Trade Center and the location of various tenants.

8:45 a.m. (all times are EDT): A hijacked passenger jet, American Airlines Flight 11 out of Boston, Massachusetts, crashes into the north tower of the World Trade Center, tearing a gaping hole in ...

A memorable event in the life of the World Trade Center came in the summer of 1974 ... While one group of colleagues made its way up the north tower, Petit and two friends slipped up to the ...