Dune holes have suddenly appeared at the Indiana Dunes National Lakeshore and in Oregon. A boy was swallowed by a dune hole on Mount Baldy last summer, and survived. But scientists aren't sure what's causing the dune holes.
Paleontologists have unearthed fossilized remains of a long-necked sauropod dinosaur, a relative of Diplodocus and Apatosaurus, in Argentina. The find suggests that dinosaurs of this type survived into the Early Cretaceous period.
Kitty litter? Radiation leak may have been caused by a chemical reaction tied to kitty litter soaked with radioactive liquid. The leaking radiation exposed 21 workers at a storage facility in New Mexico, and ranks as the worst accident at the facility.