It took less than a year for pharmaceutical companies to successfully develop vaccines for COVID-19. The unprecedented time frame has raised questions for some about the vaccine’s safety. We learn about the science behind the shots.

Democrats marched the impeachment case against Donald Trump to the Senate on Monday night for the start of his historic trial, but Republican senators were easing off their criticism of the former president and shunning calls to convict him over the deadly siege at the U.S. Capitol.

WGN America is changing its name and focus. Crain’s Chicago Business editor Ann Dwyer has details on that story and more business news.

Watch the Jan. 25, 2021 full episode of “Chicago Tonight.”

The Southwest Side community is home to many essential workers and has been a hot spot for the coronavirus throughout the pandemic.

Metrics. Warnings. Phases. Tiers. What does it all mean? We break it all down.

The more than 50-year-old organization is seeking to make cultural connections that help kids achieve their full potential.

The shift to minority status is always difficult, prompting debates over who is to blame for losing the last election. But the process is especially intense as Republicans confront profound questions about what the party stands for without Donald Trump in charge. 

Watch the Jan. 21, 2021 full episode of “Chicago Tonight.”

“My word for you is patience,” Dr. Allison Arwady, the commissioner of the Chicago Department of Public Health, said Thursday. “I know a lot of you will be frustrated.”

A solemn and somber Inauguration Day for President Joe Biden, as well as a historic day for Vice President Kamala Harris — and the nation. Our politics team breaks it all down in this special edition of our weekly roundtable.

Now that President Joe Biden is officially in the Oval Office, it’s time to get down to work. Interest groups — made of supporters and critics alike — have a lot of expectations for the country’s 46th president. Here’s a sampling.

Joe Biden was sworn in as the 46th president of the United States on Wednesday, declaring that “democracy has prevailed” and summoning American resilience and unity to confront the deeply divided nation’s historic confluence of crises.

President Joe Biden calls for unity while warning against violent dissent in his inaugural address. Political speechwriters Mari Maseng Will and Jason DeSanto share their thoughts.

Watch the Jan. 20, 2021 full episode of “Chicago Tonight.”