Archived Blog Post: November 9, 2004

Exploded Star Possibly Affected Human Evolution: "The supernova lit up somewhere between 30 light-years and 300 light-years from Earth, the study concludes. The rough estimate is due to the fact that the star's exact mass isn't known, and the extent of iron-60 is also not fully known. There is one pretty solid clue that helps provide a minimum distance: Our ancestors survived and even thrived."