Latest K–T boundary Stories
Scientists have developed a new way of determining the size and frequency of meteorites that have collided with Earth.
A new study of melted rock ejected far from the Yucatan's Chicxulub impact crater bolsters the idea that the famed impact was too early to have caused the mass extinction that killed the dinosaurs 65 million years ago.
Scientists can recite a long list of the devastating environmental consequences of a large meteorite impact, but they cannot prove these effects have led to the simultaneous loss of life around the globe. How and why such a large variety of species died out at the same time are two of the greatest mysteries in paleontology.