Imagine looking at a majestic blue whale gliding effortlessly through the ocean, the largest animal on Earth. Now, picture ...

These winsome little limbs—perfectly formed yet useless, at least for walking—are a crucial clue to understanding how modern whales, supremely adapted swimming machines, descended from land ...

Follow their extraordinary journey from shore to sea. Although whales are expert swimmers and perfectly adapted to life underwater, these marine mammals once walked on four legs. Their land-dwelling ...

For these long-dead whales had feet. “We had sometimes joked about walking whales,” says Philip Gingerich, a University of Michigan paleontologist who discovered the dainty little appendages ...