Bowhead whales may carry their babies for as long as 23 months, although more research is needed to confirm the finding. By Miriam Fauzia For animals that humans almost drove into extinction, there’s ...

Human birth has a reputation for danger. The usual explanation is simple enough: walking upright narrowed the pelvis, while ...

In many mammals including humans, the placenta invades the wall of the uterus during pregnancy in the same way that cancer cells invade surrounding tissues. Using genomic sequences and gene expression ...

Brain staining of pregnant fish. On the left is the Nissl staining use to determine neuron morphology and on the right is ki67 staining which stains for cell proliferation. New research reveals that ...

Scientists have created a comprehensive "atlas" of what early embryonic development looks like in mammals, showcasing how a fertilized egg transforms into a complex organism with a distinctive shape ...