Eukaryotes—the building blocks of complex life—appeared on Earth 1.7 billion years ago, and now scientists have solved a ...

Scientists are trying to understand how complex life emerged on Earth about 2 billion years ago. Our microbial ancestors could be the key.

The "hygiene hypothesis" suggests exposure to diverse types of microbes may protect against developing diseases caused by allergens, but a new study in mice reveals that adults' exposure to diverse ...

Add Yahoo as a preferred source to see more of our stories on Google. Cryptobiotic soil crust in Canyonlands National Park, Utah, requires microorganisms living in these crusts to help hold the soil ...

Perfectly adapted microorganisms live in extreme environments from deep-sea trenches to mountaintops. Learning more about how these extremophiles survive in hostile conditions could inform scientists ...

The microbiome shapes development of insulin-producing cells in infancy, leading to long-term changes in metabolism and diabetes risk, new research in mice has found. The results could ultimately help ...

Certain types of microbes found in the human gut can absorb toxic “forever chemicals” from their surroundings, a study has found. When scientists introduced the microbes into the guts of mice to ...

Among the more than 500 species of bacteria that thrive in the human mouth, one seems to play by its own rules. This video shows one Corynebacterium matruchotii bacterium dividing into many daughter ...