Interesting article on NASA website:
http://www.nasa.gov/content/nasa-ames-reproduces-the-building-blocks-of-life-in-laboratory/#.VQFGm_mUd8F

Of course we are stardust (at the atomic level), but this suggests that the molecular building blocks for life could form in interstellar space - as opposed for a need for them to form in a "special goldilocks zone" as conjectured was what happened on Earth.