In 2006, NASA discovered "space roar" -a sound that's six times louder than what they expected to hear when they eavesdropped on space. Inexplicably weird, right? Stuff to Blow Your Mind explores.
Image Caption: The Red Square Nebula, an unusual and highly symmetrical square-shaped nebula reported in 2007. (Universal Images Group/Getty Images)
Nebula in a Box (podcast)