Today's Takeaways: American Gas Chambers, Exploring the Cosmos, and Family Dynamics Listen Download Embed Share Share this on Facebook (Opens in a new window) Share this on Twitter (Opens in a new window) Share this via Email Iran's Role in Iraq's Fight Against ISIS Space Quiz: How Much Do You Know About The Universe? Humans Are Made of Stardust: Discoveries From Exploring The Cosmos Come One, Come All? The Politics of Religious Holidays & School Breaks Oklahoma's New Gas Chamber: 'A Human Experiment' The Clinton Email Scandal: All About Benghazi? Kitty, Daisy & Lewis on The Dynamics of a Family Band Since the Kepler Space Telescope launched in 2009, scientists on Earth have been able to use its eyes to confirm the existence of over a thousand exoplanets in just one sliver of the galaxy. ( Kevin Carden / Getty ) Produced by PRI and WNYC