Research into the specifics of our microbiome’s role in healthy functioning is still developing. Some examples of ongoing research include its role in obesity, diabetes, irritable bowel syndrome, ...

Scientists generally agree that eukaryotes, the domain of life whose cells contain nuclei and that includes almost all multicellular organisms, originated from a process involving the symbiotic union ...

Here’s what you’ll learn when you read this story: Discovered just over 60 years ago, extremophiles are bacteria, archaea, and eukarya that can survive in extremely salty, hot, cold, acidic, or ...

Prokaryotic cells, which include all bacteria and archaea, are ancient, and relatively simple compared to eukaryotic cells, which are found in fungi, plants, and animals. Scientists have long sought ...

For billions of years after the origin of life, the only living things on Earth were tiny, primitive cells resembling today’s bacteria. But then, more than 1.5 billion years ago, something remarkable ...