Crab-like body shapes evolved independently at least five times, making “crab” more a design than a lineage. Trump wants ...

At first glance, this mammal looks like a horse gone terribly wrong. But, in reality, Chalicotherium is far from a botched ...

Penguin colonies are declining worldwide; explore their adaptations, threats, and what their struggle tells us about Earth’s ...

A genomic atlas of Nematostella vectensis reveals how primitive animals created multiple cell types millions of years ago, ...

Our bones did not begin deep inside the body. They started in the skin, not long after the first complex animals took shape.

As animals go about their lives ― eating, fighting, having babies ― they don’t always follow the script laid out for them by ...

A pigment that makes feathers and hair orange helps prevent cellular damage by removing excess cysteine from cells.

The oldest fossilized remains of complex animals appear suddenly in the fossil record, and as if from nowhere, in rocks that ...

During the first few years of the COVID-19 pandemic, the virus SARS-CoV-2 was detected in an increasing number of non-human ...

From bold foxes to gregarious birds, animals’ personalities are increasingly being seen as crucial to conservation efforts.

The conservation of genome regulatory elements over long periods of evolution is not limited to vertebrates, as previously ...