Researchers have made a virtual reconstruction of a female Neanderthal pelvis found in Israel. Although the size of the reconstructed birth canal shows that Neanderthal childbirth was about as ...

The first whales gave birth on land, suggests a unique 47 million-year-old fossil of a pregnant female. The discovery provides the first concrete proof to a long-standing theory that the ancestors of ...

The paleontologists didn't understand what they'd found when they first unearthed the fossil of a primitive whale nine years ago. Philip Gingerich was thrown off by the jumble of adult and fetal-size ...

The platypus is often portrayed as a primitive mammal that simply kept laying eggs while other mammals evolved live birth—but ...