From blue lights to social media tributes, here's why the color blue has become synonymous with remembering 9/11 victims.

New York has honoured the victims of 9/11 by recreating the Twin Towers using 2,977 light-up drones. The drone show over New ...

As the anniversary of the terrorist attacks approaches, the museum is gradually adding new displays and confronting its ...

New York communities are holding tributes for the 25th anniversary of the Sept. 11 attacks. See the list of events.

The show over New York Harbor on Wednesday night formed the outline of the towers, with one drone for each person who died in ...

New York is remembering 9/11 in numerous ways, with events Thursday to mark the final hours leading up to 25 years since the ...

The 9/11 Memorial & Museum is adding a permanent seventh moment of silence to honor first responders, recovery workers and ...

As the nation marks 25 years since the 9/11 terror attacks, we're taking a look at how the memorial in NYC honors the lives ...

A special memorial unveiling at police headquarters in lower Manhattan revealed the names of 469 officers who contracted ...

11, 2001, the memory of that terrible day lives on in thousands of places across the country — from grand national memorials ...

Captain Rick Thornton was four hours into his Waterway shift on Sept. 11 when he spotted a plume of white smoke trailing from ...