Inside 'Big Boy': Ride aboard the world's largest steam locomotive
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Go aboard Union Pacific's legendary Big Boy 4014 as it rolls through Illinois, with exclusive sights, sounds and an interview with chief engineer Ed Dickens about the world's largest operating steam locomotive.

Aortic dissection: Warning signs after Sen. Lindsey Graham's death
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After Sen. Lindsey Graham died from an aortic dissection, a survivor and the heart surgeon who saved his life explain the warning signs, treatment and what everyone should know about this often-overlooked emergency.

Meet the 'Sewer Monster' fighting mosquitoes, West Nile virus
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Loyola University Chicago researcher Justin Harbison explains how treating storm drains helps reduce mosquito populations and shares what homeowners can do to lower the risk of West Nile virus.

Chicago's office market shows signs of recovery as leasing picks up
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A new JLL report suggests Chicago's downtown office market is beginning to stabilize as demand for newer, high-quality buildings grows, even as overall vacancy remains elevated.

Tyrese Gibson previews FuelFest as it speeds into the Chicago area this weekend
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FuelFest is back in Chicagoland for one weekend only. Fast & Furious star Tyrese Gibson and FuelFest co-founder Cody Walker join Good Day Chicago to share what fans can expect.

CPS releases $9.88B budget for 2026-27 school year: What to know
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Chicago Public Schools unveiled one of its most financially challenging budgets in recent years, citing significant financial pressures. Chalkbeat Chicago's Reema Amin explains the details.

Man breaches security on 'Today' show, lunges and hurls slur at Craig Melvin | TMZ
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TMZ's Michael Babcock joins Good Day to break down the details of a security breach on the 'Today' show involving a man who allegedly lunged and hurled a racial slur at co-host Craig Melvin, as well as the cause of death for 'Jurassic Park' star Sam Neill.

University of Chicago poll: Under 14% of voters approve of Mayor Johnson reelection run
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A new poll from University of Chicago found over half of voters oppose Mayor Johnson running for reelection. Christopher Berry from the University of Chicago's Mansueto Institute for Urban Innovation joins Good Day to talk about the findings and what's next for the Chicago mayoral election.

First Black woman soldier to serve overseas will be honored at Lincoln National Cemetery
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Chicago native Renee Messelin was the first Black woman soldier to serve overseas, but her identity was only recently revealed in 2024 through genealogical research. She is being honored at Lincoln National Cemetery for her service as part of the "Hello Girls," an elite group of bilingual telephone operators who served in WWI.

Bridgeport business affected by construction right outside building
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A family-owned sandwich shop in Bridgeport tells FOX Chicago's Brittany Toolis that ongoing construction has negatively impacted their business especially during the busy summer months.

NASA searching for volunteers to spend a year in deep space simulation
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NASA is on the hunt for volunteers to spend an entire year inside a simulated deep space environment for researchers to study the effects of long-duration space travel on humans. ER physician Nathan Jones joins Good Day to talk about his unique experience as part of a simulation of life on Mars.

New study shows more Americans are using credit to pay for groceries
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More Americans are using credit for buying groceries for their families and falling behind on those payments. Senior research associate Kassandra Martinchek from the Urban Institute breaks down what this means for family finances.

TMZ breaks down latest on Jay-Z concert chaos, Blake Lively legal battle
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TMZ's Michael Babcock shares the latest on the security issues at a Jay-Z concert in New York and Justin Baldoni's response to Blake Lively's request for millions in legal fees.

Illinois plans to relocate its largest women's prison, sparking debate
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Illinois' plan to move Logan Correctional Center to Crest Hill has drawn mixed reactions as employees worry about their futures and incarcerated women raise concerns about conditions inside the current prison.

How to recognize the warning signs of cardiac arrest
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Following the sudden death of Sen. Lindsey Graham from an aortic dissection, it's worth knowing the warning signs of aortic disease. Northwestern Medicine's Dr. Quentin Youmans explains the symptoms to watch for and when to seek medical attention.

Sunscreen 101: How to choose the right one for your skin
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It's the middle of summer, and choosing the right sunscreen is key to protecting your skin. Board-certified Dermatologist Dr. Lauren Fine joins Good Day Chicago to share how to stay protected in the sun.

Chicago woman helps women build DIY confidence, one tool at a time
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Have you ever wanted to take on a DIY project but weren't sure where to start? Juliana Masci, founder of Tool School Co., shares how she's helping women gain the skills and confidence to do it themselves.

Poll finds support for vaccine access as U.S. nears another record year of measles
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As the U.S. nears another year of record measles cases, a new bipartisan poll shows strong support for vaccine access. Candace Dematteis of the Partnership to Fight Infectious Disease joins Good Day Chicago to discuss the findings.

CPS' Black Student Success Plan stalls as Trump admin withholds funding
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The Trump administration is withholding federal funding from Chicago Public Schools' Black Student Success Plan, putting the initiative on hold. Mila Koumpilova, senior reporter at Chalkbeat Chicago, explains what's behind the funding dispute and what it means for the program.