Asteroid alert: NASA tracks a large rock flying towards Earth at 18,320MPH - Will it hit? Express.co.ukHuge asteroid that narrowly missed Earth ‘slipped through the net’, Nasa emails reveal The Independent'One hundred percent certain we'll be hit' space expert horror asteroid warning Daily StarAsteroid shock: NASA email reveals agency's surprise at near-hit - 'It slipped through' Express.co.ukLong Before Dinosaurs, a Giant Asteroid Crash Caused an Ancient Ice Age SciTechDailyView full coverage on Google News