As in a batch of kombucha or a barrel of sherry, microbes can assemble into a mat-like layer at the boundary between air and ...

A bizarre fossil called Prototaxites, which was the largest life-form on land 400 million years ago, may have been a completely unknown form of multicellular life, according to a new study.

All life on Earth shares a common ancestor that lived roughly four billion years ago. This so-called "last universal common ...

A new study finds that a trait helping a marine bacterium survive and flourish today may ultimately become its Achilles Heel as ocean conditions continue to shift.

Micro-organisms constitute a very antique group of living organisms which appeared on the Earth's surface almost 3000 million years ago.

Researchers at University of Tsukuba have identified a photophobic response (light avoidance) in the unicellular ...

In a quiet freshwater pond in Ibaraki Prefecture near Tokyo, researchers have pulled from the water a microscopic giant that ...

Scientists in Japan have discovered a previously unknown giant virus, offering new insight into this enigmatic category of ...