Looking again through the magnifying lens at the fossil's surface, one of us, Sabrina Curran, took a deep breath. Illuminated by a strong light positioned nearly parallel to the surface of the bone, the V-shaped lines...
Sediment cores drawn from four lakes in Guatemala record the distinct direction that ground shaking traveled during a 1976 magnitude 7.5 earthquake that devastated the country, according to researchers at the Seismological Society of America's Annual...
Ichthyosaurs are a group of successful Mesozoic marine reptiles that have a worldwide distribution, but their evolutionary origin is still unclear. In recent years,...
