"Mrs. Judd? How come they flew into the towers?" Joan Judd spent her summer vacation preparing for questions like that from her fourth-grade class in Milford, N.Y. "A few of them were born in 2001.

PBS NewsHour's Student Reporting Labs network of high school journalism programs across the country gathered the reflections of teenagers to explore the legacy of 9/11 on their generation. They ...

It has been two decades since Sept. 11,2001 and we are still learning how the terror attacks shaped our politics, military and sense of national unity. Garrett Graff ...