An Asteroid “Double Disaster” Struck Germany in the Miocene

A Gothic church rises high above the medieval town of Nördlingen, Germany. But unlike most churches, St. George’s is composed of a very special type of rock: suevite, a coarse-grained breccia that’s formed only in powerful impacts. That discovery and other lines of evidence have helped researchers determine that Nördlingen lies within an […]

Increased Plate Tectonic Activity May Have Warmed the Miocene Climate

One of the enigmas of past climate is the event known as the Miocene Climatic Optimum (MCO), a period of global warming from about 17 million to 15 million years ago. The MCO was the most significant interruption of a long-term planetary cooling trend that has stretched from around 40 million years ago […]