Darkness caused by dino-killing asteroid snuffed out life on Earth in 9 months
The years following the asteroid impact that wiped out non-avian dinosaurs were dark times — literally. Soot from raging wildfires filled the sky and blocked the sun, directly contributing to the wave of extinctions that followed, new research has found. After the asteroid struck, around 66 million years ago, the cataclysm extinguished many forms of … Read more