ArentFox Schiff is finalizing a lease renewal at Willis Tower, reducing its office space by more than 50 percent while ...

The pending deal is an example of the space-shedding trend that continues to beset the downtown office market.

As he prepares to take the stage Thursday night at Lollapalooza, country music star Luke Combs hilariously refused to step on ...

He watched people walk over the Skydeck's glass floor, but ultimately refused when it was his turn.

A fire alarm at United Airlines headquarters at the Willis Tower in Illinois, Chicago sparked a nationwide ground stop for ...

Fly over the breathtaking Chicago skyline with this stunning drone footage. Marvel at the towering skyscrapers, including the ...

Completed in 1974, the Willis Tower was known as the world's tallest building for almost a quarter of a century. Ten years ago, an observation deck with four protruding transparent boxes was added ...

A Willis Tower spokesman Bill Utter clarified Thursday that it was a protective coating, not glass, that cracked – as it sometimes does. “At no time whatsoever was the integrity of the ...

The tower's original tenant, Sears Roebuck and Co., moved out in 1992 but its name remained. Sign up for our redesigned Morning Update newsletter.

The Sears Tower, one of the world's iconic skyscrapers and the tallest building in the U.S., was renamed the Willis Tower on Thursday in a downtown ceremony, marking a new chapter in the history ...