Massive star explosions may have triggered two mass extinctions in Earth's past: 'It would be terrifying.' / Even the worst mass extinction had its oases / An Early Mass Extinction Event Cooked Our Planet and Erased Most Life / Figures in Extinction review - Crystal Pite and Simon McBurney's impassioned response to the climate crisis / This 'living fossil' predates dinosaurs, survived mass extinctions / Climate change extinctions | Science / Extinction event: Why NZ scientists are studying a prehistoric apocalypse in Antarctica / New research reveals how El Nino caused the greatest ever mass extinction / Study uncovers key to delayed climate recovery following mass extinction event / First local extinction due to sea level rise identified in the US