Fire was the primary cause of the collapse of World Trade Center Building 7 in New York City, according to a federal agency.

Onlookers were promised lasers, but they got only the dimmest of light shows. And they weren't happy about it.

Architect William Van Alen’s plans for the building’s formidable ... Dominating the New York skyline brought prestige and publicity, but tall towers also resolved a more prosaic problem ...

Since the public opening on April 4, 1973, New York's iconic Twin Towers remained a ... on the top of one of the unfinished towers with the Empire State Building looming in the distance.

He also was involved in such notable projects as a new master plan for the National Mall in Washington, D.C. and an expansion of Dulles International Airport in Virginia.

Felix Sanchez, 29, a broker at Merrill Lynch, fled from his office minutes before the twin towers collapsed on September 11, the New York Post reported ... slammed into the building two months ...

David Childs, the lead architect of the One World Trade Center skyscraper that rose from the site where the Twin Towers collapsed ... died March 26 in Pelham, New York. He was 83.

David Childs, the lead architect of the One World Trade Center skyscraper that rose from the site where the Twin Towers collapsed in New York City ... to be the tallest building in the Western ...

He also called it “the safest building in the world,” with ... skyscraper that rose from the site where the Twin Towers collapsed in New York City during the 9/11 attacks, has died.