September 11 attacks

The contrasting responses speak to how the human brain seeks out unity—and the influence of leadership over that desire.

On September 11, 2001, 2,977 people died in New York City, Shanksville, PA, and Washington, D.C.

First responders who worked at Ground Zero frequently run into red tape as they develop chronic conditions such as cancer. These long-term illnesses tend to emerge well after exposure to health hazards, making it hard to prove cause and effect.

The most ubiquitous crime-fighting phrase to emerge in the aftermath of September 11th almost never made it into the American vernacular.

The police monitoring upended one man’s life and left a legacy of trauma.

There are 250,000 MetroCards.

The names of 2,983 people—the victims of the 9/11 attacks as well as the 1993 World Trade Center bombing—bill be read.

The Tribute in Light was first illuminated on March 11, 2002, to mark the six-month anniversary.

New York City observes the 15th anniversary of the September 11 attacks with memorial ceremonies and tributes. Our comprehensive coverage includes Ground Zero events, family gatherings, first responder honors, and reflections on how the city has rebuilt and remembered over the years.

Once upon a time, Daniel Libeskind was the architect of the Freedom Tower.