Biologists are quietly rewriting what it means to be alive, and the human body has become one of their strangest frontiers.

Life’s leap from single-celled to multicellular organisms marks a pivotal moment in evolutionary history. This transformation laid the foundation for the complex life forms we see today. By studying ...

Exceptionally preserved fossils from the Ediacaran period challenge what scientists thought was possible in sandstone. In the fossil record, creatures without hard shells or skeletons, such as ...

Ten years ago, nobody knew that Asgard archaea even existed. In 2015, however, researchers examining deep-sea sediments discovered gene fragments that indicated a new and previously undiscovered form ...

In his laboratory at the University of Poitiers in France, Abderrazak El Albani contemplates the rock glittering in his hands. To the untrained eye, the specimen resembles a piece of golden tortellini ...

In his laboratory at the University of Poitiers in France, Abderrazak El Albani contemplates the rock glittering in his hands. To the untrained eye, the specimen resembles a piece of golden tortellini ...

Complex life began to develop earlier, and over a longer span of time, than previously believed, a new study has revealed. The research sheds new light on the conditions needed for early organisms to ...

In many submerged regions, murky mud shelters strange life-forms that seem to be the key to one of the biggest mysteries of life on Earth. These creatures belong to a domain of life called the archaea ...

(CNN) — More than half a billion years ago on a frigid, ice-covered Earth, glaciers stirred up ingredients for complex life by bulldozing land minerals and then depositing them in the ocean, according ...