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.
Five exquisitely preserved seed shrimp in a Miocene Era bat cave give a detailed snapshot of an ancient postcoital moment. Their fossilized sperm are the world's first, and they are enormous. Scientists don't know why.
Measurements of California's San Joaquin Valley, one of the country's most productive agricultural regions, show it has been sinking due to groundwater depletion, placing stress on the San Andreas fault.
Columbus' ship, the Santa Maria, may have been discovered by a father-son team off the northern coast of Haiti. Due to a 15th century cannon and the location of the wreckage, explorers Barry and Brandon Clifford believe it may be the famed ship.