Despite seeming like a relatively stable place, the Earth's surface has changed dramatically over the past 4.6 billion years. Mountains have been built and eroded, continents and oceans have moved ...

“This study demonstrates that eggshell biocalcite from non-avian dinosaurs, birds, and other egg-laying vertebrates has the potential to serve as a reliable geochronometer in Mesozoic and Cenozoic ...

North America's prehistoric art can sometimes be overlooked, the public's gaze instead entranced by 30,000-year-old drawings in France's Chauvet Cave or 46,000-year-old animal paintings in Sulawesi, ...

Image: Tiny crystals called zircons are used to date oceanic crust. A newly developed method that detects tiny bits of zircon in rock reliably predicts the age of ocean crust more than 99 percent of ...

Most people are busy with life on Earth. They rarely get the chance to think deeply about complex topics. And so they take the ideas of why we know certain things with relatively equal values — maybe ...

Using sophisticated methods of dating rocks, a team including University of Southampton researchers based at the National Oceanography Centre, Southampton, have pinned down the timing of the start of ...

Berkeley -- Scientists at the University of California, Berkeley, and the Berkeley Geochronology Center have pinpointed the date of the dinosaurs' extinction more precisely than ever thanks to ...