United Airlines has withdrawn its guidance to Wall Street on full-year 2020 revenue and earnings. The Chicago-based airline cited heightened uncertainty over duration and spread of the coronavirus and its potential effect on overall air travel demand.

If there’s one thing Aleksandra August hopes viewers take away from her new show “Flavor of Poland,” it’s that they learn something more about the country than its offerings of pierogi and kielbasa.

Federal health officials say Americans should begin preparing for a potentially severe outbreak of COVID-19. “Now is the time for businesses, hospitals, communities, schools, and everyday people to begin preparing,” said Dr. Nancy Messonnier of the CDC.

Watch the Feb. 25, 2020 full episode of “Chicago Tonight.”

A recent review of government-funded cancer research studies found that the participants were disproportionately white. A new state law attempts to fix that.

What’s behind the spike in gun violence this year? And what can be done to stanch it? As part of our WTTW Firsthand initiative, we take a closer look at the problem – and possible solutions.

Lily Tomlin plays an artist on the popular Netflix series “Grace and Frankie,” but she isn’t creating the art. It’s actually made in Chicago by artist Nancy Rosen. We visit her studio to learn more.

In her new book, Chicago native and author Mikki Kendall offers a critique of mainstream feminism. She joins us to discuss “Hood Feminism: Notes From the Women That a Movement Forgot.”

The Dow Jones Industrial Average closed down more than 1,000 points Monday — the worst one-day performance in two years for the blue-chip index, as fears increased over the global economic shock of coronavirus.

Chicago is home to the only training orchestra in North America. And while it’s blooming with youth, the Civic Orchestra of Chicago is turning 100 this season. We sit in on a rehearsal to hear the dynamic sound that only an orchestra can make.

Watch the Feb. 24, 2020 full episode of “Chicago Tonight.”

The guidelines that aim to determine whether immigrants seeking legal residency are likely to become a government burden are part of the Trump administration’s broader effort to reduce immigration, particularly among poorer people.

One particular issue keeps rising to the top of voters’ concerns this primary season. Medicare for All took center stage at the democratic debate in Las Vegas this week – and the candidates pulled no punches.