Soaring to the depths of our universe, gallant spacecraft roam the cosmos, snapping images of celestial wonders. Some spacecraft have instruments capable of capturing radio emissions. When scientists ...

Scott Simon reaches into the mailbag to read listeners' letters. Topics include criticism for a recent "fight club" piece and reaction to the sounds of Saturn. Time now for your letters. (Soundbite of ...

Just as the static on an AM radio grows louder with the approach of a summer lightning storm, strong radio emissions accompany bright auroral spots — similar to Earth’s northern lights — on the planet ...