An expert committee of architects on Tuesday announced that the structure atop the new One World Trade Center in New York City is a spire and not a broadcast antenna, bringing the building to a height ...

The Willis Tower recently received an upgrade to its antenna lighting that allows one person to use a smartphone or computer to change the lighting color in a matter of seconds. Previously, lighting ...

When the Willis Tower (still called the Sears Tower by some of the more intransigent Chicagoans) was completed back in 1974 it was known around the world as the tallest building on the planet. A title ...