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. Yet ...

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 ...

The molecular building blocks that make up the cells of humans, animals and plants so sophisticated appear to be older than scientists previously ...

For a long time, the origin of complex life has seemed like a chapter torn out of the book of biology. The middle has been ...

Scientists characterize novel enzymes from deep-sea microbes with a key function in the ethane degradation process, revealing surprises in the metabolism of these organisms. Seeps on the deep seafloor ...