Heightened security for Lollapalooza. The University of Chicago works to save the culture of an African country. The compelling history of a strange room in a local house. And goodbye to a waterfall.

• NASA’s Mission to ‘Our Star’ Named After UChicago’s Eugene Parker
• CPS Watchdog: Byrd-Bennett Helped Company Land $67M in Contracts
• Lollapalooza Security Tightened, But Challenges Persist
• Archaeological Dig at Gray-Cloud Home Attracts Neighbors, History Buffs
• University of Chicago Plays Key Role in Trying to Save Niger’s Heritage
• World’s Next Largest Telescope Hopes to Answer Question of Life Beyond Earth
• Destruction of the City’s Last Waterfall Begins