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 lost ...

Wadi El-Hitan in Egypt’s Western Desert contains hundreds of fossilized whale skeletons dating back around 37 million years. These remains preserve a critical stage in whale evolution, showing hind ...

Dr James Rule (L) and Dr Erich Fitzgerald (R) with the Murray River whale fossil at Melbourne Museum. Credit: Eugene Hyland. Source: Museums Victoria Dr James Rule (L) and Dr Erich Fitzgerald (R) with ...

WELLINGTON, New Zealand (AP) — Long before whales were majestic, gentle giants, some of their prehistoric ancestors were tiny, weird and feral. A chance discovery of a 25 million-year-old fossil on an ...

In this illustration provided by Ruairidh Duncan a Janjucetus dullardi is depicted chasing a fish. Ruairidh Duncan / AP WELLINGTON, New Zealand — Long before whales were majestic, gentle giants, some ...

WELLINGTON, New Zealand (AP) — Long before whales were majestic, gentle giants, some of their prehistoric ancestors were tiny, weird and feral. A chance discovery of a 25 million-year-old fossil on an ...

A biologist explains the surprising evolutionary math behind how the blue whale became the largest animal that has ever lived ...

Tutcetus rayanensis swimming in the Tethys ocean of present-day Egypt, 41 million years ago, in an illustration. Antarctic blue whales, the largest animals on Earth, can reach 98 feet from mouth to ...