Add Yahoo as a preferred source to see more of our stories on Google. A conception of a large asteroid hitting Earth. When colossal asteroids rock Earth, it's not all doom and gloom. The menacing ...

The Chicxulub impact structure in Mexico is widely believed to be the site of the asteroid impact that allegedly killed the dinosaurs. As Sergio de Régules reports, scientists are now preparing to ...

The 5.3-mile-wide crater is now confirmed to be 66 million years old, suggesting that the impact of at least two giant space rocks preceded the mass extinction of dinosaurs. Reading time 3 minutes ...