Researchers identify a new species of Hemimastigophora protist, and suggest the group should be promoted from a phylum to a supra-kingdom.

Researchers are resurrecting proteins from millions of years ago to understand evolution and lay the groundwork for bioengineering custom molecules.

The ancient organisms appear to be more closely related to eukaryotes than previously appreciated.

The discovery of copious new archaeal species is shedding light on the tree of life and revealing some unique cellular biology.

Identification of new archaea species elucidates the domain’s unique  biology and sheds light on its relationship to eukaryotes.

Contrary to some hypotheses, the organelles did not descend from any known lineage of Alphaproteobacteria, researchers find.

The genomes of two species of water bears reveal clues about how they persist in extreme conditions, yet don’t resolve the animals’ debated evolutionary story.

A genomic analysis of “Klosneuviruses” suggests that they evolved from small viruses that accumulated genetic material over time, but not all virologists are convinced.