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 ...

In many submerged regions, murky mud shelters strange life-forms that seem to be the key to one of the biggest mysteries of life on Earth. These creatures belong to a domain of life called the archaea ...

"Asgardians," a single lineage of archaea, may be the starting point of it all, according to a study published in the journal Nature. After investigating the genomes of hundreds of archaeal microbes, ...