At least 17 people have been shot, four fatally, in gun violence across Chicago so far this weekend, police said. Click here for the latest.

The assignment for Kathryn Perrotta’s fourth-graders: Learn about density by building a “neutral buoyancy” contraption that wouldn’t sink or float.

Rapper Tekashi 6ix9ine has pleaded guilty drug possession in violation of his supervised release. It is his latest run-in with the law since he completed a federal prison sentence on ...

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