Why the Ordovician–Silurian Extinction Event Occurred

Why the Ordovician–Silurian Extinction Event Occurred

Experts gather new information on the ancient phenomenon

  • Nature
  • By Tudor Vieru
  • January 9th, 2012
Extinction Possibly Caused by Gamma-Ray Burst

Extinction Possibly Caused by Gamma-Ray Burst

The event researchers targeted occurred a very long time ago