Twenty years after September 11, 2001, the first generation that grew up in a world profoundly altered by the attacks is coming of age. Many of these young adults have little or no memory of the day itself. More.

A train missed, a convenience shunned. Because of both, Ed Zier is alive and talking today, reflecting on Sept. 11, 2001, as he gazes at a sparkling Florida morning through his glass living room doors. More.

Voicemails are deeply embedded into memories of 9/11. On that day in 2001, as people all across New York City tried to get hold of their friends and family, cellphone networks were overloaded. And for some of the victims inside the planes and towers, leaving a voicemail was their last way of communicating with their loved ones. More.

On Sept. 11, 2001, at least 15 people who lived in, or grew up in, the Mid Hudson Valley died in the terrorist attacks on the World Trade Center in New York City and the Pentagon in Washington D.C. More.

Across the United States on Saturday, memorial events and observances will be held to honor the victims and remember the legacy of the Sept. 11 terror attacks. More.

Jeanmarie Hargrave corralled a group of tourists from Atlanta who were taking photos of the miraculous Callery pear, a living tree that was found broken in the smoky ruins of Ground Zero and slowly nursed to health. More.

It could be something as small and simple as a pillow. An ID card. A suit. A chunk of concrete. For those who’ve lost someone or experienced trauma, such objects of memory can often be sources of hope and healing. More.

The topic of Sept. 11, 2001 is very complex. On that day, when I was trying to comfort a classroom of terrified eighth graders — much less understand it myself — I couldn't see the dots that needed to be connected. More.