The Sill spouses add to their long-running About... series with a lovely study of more than a dozen aquatic mammals, all captured in wildlife illustrator John Sill’s handsome watercolors. Full-bleed ...

When asked to draw their local wildlife, 401 UK schoolchildren aged 7 to 11 most commonly drew mammals and birds, while amphibians and reptiles appeared in the fewest drawings, suggesting imbalances ...

Placental mammals have a placenta, an organ that develops during gestation and bridges mother and fetus. The placenta provides nutrients to the fetus to develop in the womb, protecting the baby from ...

More mammals were living on the ground several million years before the mass extinction event that wiped out the dinosaurs, new research has revealed. More mammals were living on the ground several ...