A shortage of glass is taking a toll on the nation’s commercial building boom, adding millions of dollars to the cost of new skyscrapers and halting some projects midway through construction.

We don’t think much about glass; by its nature, it’s meant to be seen through, not seen. And yet the high-tech, high-strength glazing that covers today’s supertall buildings – skyscrapers ...

The most notorious example of glass falling from a skyscraper is Boston’s John Hancock Tower, a 60-story, mirror-glass tower where hundreds of windows shattered in 1972 while the building was ...

A pane of glass being installed on the top level of a 30-story skyscraper in San Francisco's South of Market plummeted to the street Friday, damaging windows on another building across the street.