1. Space Dust from Ancient Supernova Found Hiding in Antarctica  Livescience.com
  2. Supernova dust found hidden in antarctic snow  Astronomy Magazine
  3. View full coverage on Google News
Researchers recently identified cosmic iron traces in snow that fell in Antarctica. Preserved in the snow was dust containing a rare isotope that originated in a supernova. Iron traces in snowfall originated in a stellar explosion millions of years ago.

Space Dust from Ancient Supernova Found Hiding in Antarctica | Live Science