In a recent study, NASA-supported researchers gained new insight into the lives of bacteria that survive by grouping together as if they were a multi-cellular organism. The organisms in the study are ...

Microorganisms are well-suited for experimental studies of evolution owing to their rapid generations and large populations, as well as the wealth of molecular and genomic data that are available for ...

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 ...

Biogeoscientists show evidence of 90 billion tons of microbial organisms -- expressed in terms of carbon mass -- living in the deep biosphere. This tonnage corresponds to about one-tenth of the amount ...

Learn how one-celled organisms, or single-celled organisms, helped build complex life.

Choanoflagellates are a ubiquitous but enigmatic one-celled ocean organism that may give clues to the origin of multicellularity in animals. New research has turned up a surprising kink in the ...