Two new studies offer insights into the evolution and development of external ears, which appear in humans and other mammals ...

The genes that build the cartilage of fish gills were repurposed to build the cartilage in mammals’ outer ears ...

A Proceedings of the Royal Society B study of 5,600 mammals found that two species will never return to dry land.

People lived in many parts of the Old World by then but had not yet reached Australia or the Americas. The bulk of the human ...

To function through adulthood, permanent teeth need ongoing care, including brushing, flossing, and cleanings. Plus, dental ...

Predators and prey in the ocean rely on chemical signals for survival, but this vital sensory mode can also be their Achilles ...

Finally, birds and mammals belong to a richly branching part of the vertebrate phylogenetic tree, most of the branches being grouped as reptiles, while two equivalent branches are given unequal ...

When sick, Nile tilapia seek warmer water. That behavioral fever triggers a specialized immune response, hinting the connection evolved long ago.

A recent study from July 2023 in the journal Proceedings of the Royal Society B sheds light on how marine mammals, like ...

When a bird drapes its nest with snake skin, it isn't just making an interesting home décor choice. For some birds, it keeps ...

When you’re warm and cozy inside, it can be natural to wonder if the animals you see outside your window this winter are ...