World Trade Center

4 WTC becomes the first completed building in the WTC site.

The remains of Jeffrey Walz, a firefighter with Ladder Company 9, have been identified, the FDNY said.

Investigators from the Medical Examiner's office found no human remains at the Lower Manhattan site.

Investigators began searching through the plane debris found in Lower Manhattan.

A worker fell 10 feet and may have broken his leg, the FDNY said. 

Customers in Lower Manhattan, however, were still waiting for electricity Friday morning.

Lightning struck 1 World Trade Center, Port Authority officials wrote on Twitter.

The Port Authority of New York and New Jersey received poor performance marks in an internal audit.

Developer Larry Silverstein is having a hard time finding a major office tenant, Crain's reported.

The Port Authority said thousands of commuters were redirected to the WTC station.

The series of five historic buildings depicted on 40 banners was unveiled Thursday. 

An art collective filled the sidewalk along Fifth Avenue near Union Square with pieces of chalk and asked passersby to write their thoughts about 9/11 and the 10th anniversary.

After 9/11, children in France sent letters and drawings to the United States, wishing peace and hope in a time of sadness. Now, those letters are making a brief stop at an elementary school in Gramercy.

A Chelsea yoga studio is holding a remembrance yoga and meditation session on 9/11 to commemorate the 10th anniversary of the attacks in a meditative way.

Bloomberg wants New Yorkers to stop using the term "Ground Zero" to refer to the World Trade Center site.