Scientists trace an ancient microbe, Asgard archaea, that gave rise to humans, animals, and plants more than 2 billion years ...

Single-celled organisms called archaea occupy their own branch on the tree of life, like bacteria, but we know a lot less about them. Like bacteria, archaea also don't have a nucleus, and have ...

The history of life stretches back untold eons. Today, there is a staggering array of organisms on Earth, with more species being discovered every year. The complexity of life, from the smallest ...

Researchers investigate into the various lineages of Asgard archae, and determine one related to Hods as the ancestor of ...

Scientists have been trying to learn more about archaea since these microbes were discovered in the 1970s. Their DNA is not contained in a nucleus, so they are a type of prokaryote, and were initially ...

University of Texas researchers have made the first discovery of viruses infecting ancient archaea microbes that may further scientists’ current understanding of the origins of life. Asgard archaea ...

Scientists have found further evidence to support the idea that the primary two domains of life, the Archaea and Bacteria, are separated by a long phylogenetic tree branch and therefore distantly ...

BERKELEY, CA – The first ecosystem ever found having only a single biological species has been discovered 2.8 kilometers (1.74 miles) beneath the surface of the earth in the Mponeng gold mine near ...

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 ...