The Chicago teachers strike ends. What a formal impeachment vote means. How you can detect new planets. Previewing the Bears vs. Eagles matchup. And Chicago theater reviews with Hedy Weiss.

• Chicago Teachers Strike Comes to an End, Classes Resume Friday
• Democrats Push Impeachment Rules Package Through House
• Crain’s Headlines: Lobbying Activities of Exelon, ComEd Under Investigation
• In the Zooniverse, Everyone Can be a Scientist
• Bears Face Eagles in Rematch of Playoff Loss
• Mickey Alice Kwapis Wants You to Love Taxidermy As Much As She Does
• Hedy Weiss Reviews ‘A Doll’s House,’ ‘I’m Lenny Bruce’ and More