This meteorite, designated as S2, is roughly 200 times larger than the Chicxulub responsible for the dinosaurs’ extinction.

Archaea are organisms consisting of a single cell without a nucleus and with distinct structural, physiological and evolutionary characteristics. They inhabit a wide range of habitats, including ...

Our extensive bioinformatics analyses support the hypothesis that the eukaryotic N-glycosylation pathway originates from an archaeal ancestor. As Alg14-13 and MurG use UDP-GlcNAc to GlcNAcylate a ...