The Last Universal Common Ancestor (LUCA), the theoretical single organism from which all life on Earth descends, is now believed to have emerged far earlier than previously estimated. This discovery ...

Life on Earth had to begin somewhere, and scientists think that “somewhere” is LUCA—or the Last Universal Common Ancestor.

"Evolution Revolution" is a timeline charting both the rise of evolutionary science and the social controversies surrounding its acceptance. The events on the timeline fall under the following themes: ...

Evolution describes changes in inherited traits of populations through successive generations. To fully understand the science of ecology, one must first be able to grasp evolutionary concepts. Aa ...