A new study shows why Neanderthal DNA can be bad for you. Astronomers capture visual evidence of an exploding star. And sometimes, it’s a bad idea to go to the Internet for help. Rabiah Mayas from the Museum of Science and Industry joins “Chicago Tonight” to examine these stories and more.

Mayor Rahm Emanuel said Eddie Johnson, his pick for CPD interim superintendent, has received support inside and outside of the police department. “I think he has the chops to make the changes that are necessary,” Emanuel said to Paris Schutz.

Supreme Court nominee Merrick Garland meets with Illinois Sen. Mark Kirk, despite the GOP leadership's refusal to meet with an Obama nominee. We speak with WBEZ's Tony Arnold on the implications of this first courtesy call to a Republican senator.

A giant Bridgeport warehouse is home to the city's largest collection of vintage props for movies and TV. Jay Shefsky takes us behind the scenes.  

Chicago public school teachers will go on a one-day strike this Friday that may or may not be legal. Chicago Public Schools Chief Forrest Claypool joins “Chicago Tonight” to talk about the upcoming one-day teachers strike and what parents should do. 

Watch the March 28, 2016 full episode of "Chicago Tonight."

Hear what viewers had to say about our talk with CTU president Karen Lewis and our web story on a new water treatment plant that uses ultraviolet light to help clean the Chicago River when we read feedback from the "Chicago Tonight" website, and our Facebook and Twitter pages.

How will rank-and-file police officers react to the mayor's unexpected appointment of CPD veteran Eddie Johnson? Two former Chicago Police officers share their perspectives on Emanuel's pick and to aldermen inserting themselves more into the selection process.

In the Loop, a photographic feast is now being served. To celebrate its 40th anniversary, the Museum of Contemporary Photography combed its archives to find the pictures that best reflect the character of the museum. What they found were dramatic images from the 19th century to the 21st.

Chicago Teachers Union President Karen Lewis said the newly approved April 1 walkout is not about contract negotiations with CPS. “If it were a contract strike, it would be illegal,” Lewis said to Eddie Arruza. “This is an unfair labor practice strike.”

Meet the local man who's a certified Lego professional with a brand new exhibit at the Museum of Science and Industry.

Last week's primary election saw several firsts, including same-day voter registration and record-breaking early voting. Cook County Clerk David Orr discusses what it means for the future.

The Illinois Supreme Court dealt Mayor Rahm Emanuel a major setback Thursday in his efforts of saving two of the city’s four public employee pension funds, which city officials say could go broke within the next 15 years.