A new scientific review has uncovered how complex microbial communities, including those in the human gut and the natural ...

The tiny pantheon known as the Asgard archaea bear traits that hint at how plants, animals and fungi emerged on Earth.

Every breath of air, every strand of DNA and every cell in my body carries a chemical story that began long before Earth ...

National Geographic Explorer Paul Salopek is retracing the path of human migration. More specifically, the scientific ...