Domain' is the highest rank and 'kingdom' is the second highest rank in the sequence of classification. Classification groupings have evolved over time in light of new scientific findings.

Scientists then leaned towards it being a giant fungus, but the classification remained uncertain. A 2007 study even presented strong evidence supporting this idea. But new research is turning that ...

The study, a preprint posted to BioarXiv, focuses on prototaxites, an extinct group of organisms which existed from the Late ... they may have taken an entire kingdom of life with them. The Oldest ...

The study has not yet been peer-reviewed. All life on Earth is classified within three domains — bacteria, archaea and eukarya — with eukarya containing all multicellular organisms within the four ...