A meteorite 200 times bigger than the dinosaur-killing asteroid helped life on Earth flourish The destructive power of asteroids is undeniable — just ask the dinosaurs. New research suggests a huge space rock that struck Earth over 3 billion years ago may have benefitted early life. https://cdn.mos.cms.futurecdn.net/kNgUJmo3Y7eN2jQZF86FEn.png https://www.space.com/meteorite-s2-dinosaur-killing-life