Was this the trigger of the “Great Dying” mass-extinction event (and a host of wild conspiracy theories)? A NASA satellite detected a 300-mile-wide “gravity anomaly” below the ice of Antarctica consistent with a giant asteroid impact and the volcanic flows of Siberian Traps that continued for roughly two million years and spanned the Permian–Triassic … Continue reading NASA Unveiled Massive Gravity Anomaly Buried Under Antarctica