Fascinatingly, geologists believe this blob was formed by the remnants of the seafloor of an ancient ocean called the Tethys Ocean that sat between two supercontinents called Laurasia and Gondwana ...

This story appears in the August 2010 issue of National Geographic magazine. Thirty-seven million years ago, in the waters of the prehistoric Tethys Ocean, a sinuous, 50-foot-long beast with ...

The Price to Earnings (P/E) ratio, a key valuation measure, is calculated by dividing the stock's most recent closing price by the sum of the diluted earnings per share from continuing operations ...