In the vast and often unseen world of microscopic life, a recent discovery may force scientists to rethink what it means to ...

In 2015, researchers examining deep-sea sediments near the underwater volcano Loki discovered gene fragments indicating a new ...

Because they rely on hosts for a majority of functions, viruses aren’t considered alive. But entities like ‘Sukunaarchaeum ...

Archaea and eukaryotes shared a common ancestor with each other more recently than they do with bacteria, so they’re each other’s closest relatives at the domain level. Which means that ...

It has genes for ribosomes, tRNAs, and mRNAs. These components are the scaffolding of life: the tools by which cells read ...

Archaea and bacteria are two different domains of cellular life. They are both prokaryotes, as they are unicellular and lack a nucleus. They also look similar (even under a microscope). However ...

Defense systems found in all complex life, including the human body, came from primeval microbes known as 'Asgards.' ...

O ver 1500 bacterial species can cause human disease, as can hundreds of eukaryotic pests, like fungi, protists, and helminth worms.But there is a third domain of life missing from medical literature: ...

Archaea—one of the three primary domains of life alongside bacteria and eukaryotes—are often overlooked and sometimes mistaken for bacteria due to their single-celled nature and lack of a nucleus.

Since the discovery of archaea in the late 1970s, scientists have believed that one difference between this third domain and other forms of life is that these organisms didn’t produce hydrogen ...

Unknown original inhabitants of the gut: What is special about archaea. Archaea are a distinct domain of life—along with bacteria and eukaryotes (i.e., ...

Archaea, bacteria and higher ... As of the 1970's, however, microbiologists no longer consider archaea bacteria, but classify them as a separate domain in all life forms. So, now we have archaea, ...