The cracks formed after a group of visitors to the Skydeck at the Willis Tower stepped out on the Ledge, but Willis Tower officials said the glass itself did not crack, only the protective coating.

The Sears Tower was the world’s tallest building until 1996, when it was surpassed by the Petronas Twin Towers in Kuala Lumpur, Malaysia. With clear weather, four states are viewable up to 50 miles ...

CHICAGO (WLS) -- Aon, a global financial risk consultant company, is planning to buy out competitor Willis Towers Watson. The deal, valued at about $30 billion, could potentially impact the name of ...

“This extension reflects our continued belief in the strength of Willis Tower,” a Blackstone spokesperson told Bloomberg in a statement. “The building’s transformative renovation has positioned it for ...

Alejandro Garibay CHICAGO (WPVI) -- The Willis Tower Skydeck's The Ledge cracked - but it's supposed to, according to a spokesperson, who said only the protective coating of the glass box that ...

Completed in 1973 and for 25 years the tallest building in the world, the 110-story Willis Tower has marked a major milestone in its transformation with the completion of a new Skydeck experience ...

The U.S. hasn't housed the world's tallest building since 1974, when the Willis Tower in Chicago was completed.

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 ...

Gift Article 10 Remaining As a subscriber, you have 10 articles to gift each month. Gifting allows recipients to access the article for free. Adtalem Global Education is expanding its downtown ...

CHICAGO (WLS) -- One step at a time, more than 2,000 people from all around the world converged on Willis Tower to climb up the world's 12th tallest building. Sunday marked the 16th SkyRise Chicago, ...

Chicago is home to some of the tallest buildings in the country, with some spanning more than 1,000 feet from base to tip. But which Windy City skyscrapers are the tallest? The Skyscraper Center, ...

Aon To Buy Willis Towers Watson Insurance -- What Does That Mean For Willis Tower Name? If you're from Chicago and you're older than 30, you once knew the tall and iconic building composed of bundled ...