The wealthiest man in the Czech Republic just died in an Alaskan helicopter crash. Declassified files reveal a UFO appeared to break the sound barrier without creating a sonic boom. Scientists have confirmed that, just 153 light-years away, an unknown ...thing appears to be eating stars. No one knows what it could be -- and no one's sure what this means for planet Earth. One thing's for sure: You can learn all this and more in this week's listener mail.