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 ...
A team of University of Massachusetts geologists is exploring a new way to determine the ages of ancient rocks, and refining our understanding of the timing and rates of the geologic events that have ...
A new technique for dating fossils based on uranium's radioactive properties could mean that palaeontologists will have to revise their theories on the end of the dinosaurs. A new technique for dating ...
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