Scanning electron micrograph of Methanobrevibacter smithii DSM 861 (=PS T), Methanobrevibacter smithii DSM 2375 (=ALI), Methanobrevibacter smithii GRAZ-2 and WWM1085. Credit: International Journal of ...

A growing body of research suggests humans owe an evolutionary debt to Asgard archaea, a group of single-celled organisms discovered in hydrothermal vents in 2015. "The first one was found in this ...

Archaea are a relatively recently discovered group of microorganisms that occupy their own branch on the tree of life. Though similar in some ways to bacteria, they are not the same. Researchers have ...

Earth’s immense web of life fill three broad domains—archaea, bacteria, and eukarya. Scientists from Monash University recently discovered hydrogen-producing enzymes in archaea, which were thought to ...

Scientists have discovered that a microorganism may be causing digestive problems in some people, potentially paving the way for better treatments for constipation. Analyzing data from more than 1,500 ...

Anaerobic oxidation of methane (AOM) by methanotrophic archaea is an important sink of this greenhouse gas in marine sediments. However, evidence for AOM in freshwater habitats is rare, and little is ...