More than 2,000 people climbed more than 1,300 feet to the highest point in Chicago on Sunday, all for a good cause.

One step at a time, thousands made strides at Willis Tower to support the Shirley Ryan Ability Lab. Sunday marked the 17th ...

The Willis Tower is among the buildings in GMA colors. Buildings across the country are lighting up to say thanks for 50 years. On Monday morning, starting on Eyewitness News at 4:30 a.m., we will ...

CHICAGO, Illinois -- With no visitors at the Willis Tower Skydeck right now, some baby chicks took the opportunity to enjoy the view. They ventured out onto the clear observation boxes on the 103rd ...

CHICAGO (WLS) -- Sources say the Blackstone Group is the possible buyer of Chicago's iconic Willis Tower. The private equity firm is said to have a preliminary deal to pay nearly $1.5 billion for the ...

CHICAGO (WPVI) -- Video posted to social media showed cracks on the glass floor of The Ledge attraction at Willis Tower in Chicago on Monday. The video was posted by a Skydeck visitor on Facebook. A ...

Gov. JB Pritzker spoke Monday at the 8th annual Chicago Quantum Summit, which focuses on computing, communication, and ...

Real estate magnate Joseph Chetrit, developer Joseph Moinian and Skokie-based American Landmark Properties bought the tower ...

CHICAGO -- Video posted to social media showed cracks on the glass floor of the Ledge attraction at Willis Tower on Monday. The video was posted by a Skydeck visitor on Facebook. A spokesperson for ...