A recent research revealed a remarkable story of whale evolution—how these magnificent marine mammals transitioned from land-dwelling creatures to ocean rulers through three distinct and rapid ...

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 ...

Call it an unfinished story, but with a plot that's a grabber. It's the tale of an ancient land mammal making its way back to the sea, becoming the forerunner of today's whales. In doing so, it ...

Wadi Al-Hitan, Whale Valley, in the Western Desert of Egypt, contains invaluable fossil remains of the earliest, and now extinct, suborder of whales, Archaeoceti. These fossils represent one of the ...

Understanding human evolution through the study of whale evolution Brief definition and history of mammals How did land-based mammals return to the sea? Fossils from "transitional species" trace ...