When the environment changes dramatically, animals from mollusks to crows can make big changes in their behavior that enable ...

The transition from water to land is a question that still intrigues scientists. Those ancient organisms would have needed to ...

A fossil bed in China containing animals up to 554 million years old suggests that we may have to reconsider the idea that ...

An example of a drill core of the chemical sediments called iron formations that the UCR-based team used to track marine phosphorus concentrations. The core is from the approximately 2.2 ...

The fossils of ancient salamander-like creatures in Scotland are among the most well-preserved examples of early stem tetrapods -- some of the first animals to make the transition from water to land.

When people build cities and introduce invasive creatures, resident critter populations sometimes adapt Brian Handwerk - Science Correspondent When humans build cities and introduce invasive species, ...

Embryonic germ layers are the fundamental organizing principle in animal development. They provide the structural basis from which tissues and organs arise. During early embryogenesis, cells divide to ...