Asteroids are smacking Earth twice as often as before KATUThe Earth has been experiencing more frequent asteroid strikes Ars TechnicaAsteroids have been crushing Earth for nearly 300 million years and no one knows why Fox NewsIncoming! Lunar Study Reveals Big Increase in Major Asteroid Strikes on Earth Sputnik InternationalAsteroid impacts on the Earth and moon have increased since the dinosaurs lived CNNView full coverage on Google News