T he Pacific seafloor laid down around 10 million years ago is dramatically enriched in beryllium-10, compared to older and younger layers. The geologists who discovered this spike propose it ...

Around 10 million years ago, the amount deposited in these crusts increased substantially, for reasons still unexplained. (Courtesy: HZDR / blrck.de) Something extraordinary happened on Earth around ...

By 10 million years ago the two continents were in direct collision and the Indian continent, because of its enormous quantity of light quartz-rich rocks, was unable to descend along with the rest ...