Photos: Scenes From 9/11 National Memorials
On the 20th anniversary of the Sept. 11 attacks, multiple ceremonies commemorated the nearly 3,000 lives that were lost on that day.
9/11 Memorial
20 Years Later, 2 More 9/11 Victims Have Been Identified Using New Technology
Two victims of the terrorist attacks on the World Trade Center on Sept. 11, 2001, were recently identified through DNA analysis.