Animal life began in aquatic environments more than 600 million years ago. Around 500 million years ago, during the Cambrian ...

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 ...

When the environment changes dramatically, animals from mollusks to crows can make big changes in their behavior that enable them to survive. For example, marmots and ground squirrels in California ...

In our modern era of larger, more destructive, and longer-lasting fires -- called the Pyrocene -- plants and animals are evolving quickly to survive. By synthesizing the wide body of research about ...

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

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, ...