Microbial mats offer clues to life on early Earth

Ancient clusters of rock that preserve some of the oldest microbes on Earth occasionally possess mysterious branch-like formations. Now, scientists think they know what might have caused this enigmatic branching—changes ...

First Fossil-Makers in Hot Water

Microbe mats in Yellowstone's hot springs may be living analogs of the primordial microbe communities that constructed the oldest rock fossils on Earth.

A 3.45-billion-year-old diet

Researchers are providing new information about the 'diet' of microorganisms on the early Earth. By studying 3.45-billion-year-old rocks, the team uncovered clues about ancient microbial metabolism.

Bacteria could aid search for creatures on other planets

Could there be a way to find bacterial structures on another planet? And if so, how important might these bacteria be in making a planet life-friendly? These are some of the questions that could be answered through studies ...

Bacterial 'ropes' tie down shifting Southwest

Researchers from Arizona State University have discovered that several species of microbes (cyanobacteria), at least one found prominently in the deserts of the Southwest, have evolved the trait of rope-building to lasso ...

Bacterial growths may offer clues about Earth's distant past

One way that geologists try to decipher how cells functioned as far back as 3 billion years is by studying modern microbial mats, or gooey layers of nutrient-exchanging bacteria that grow mostly on moist surfaces and collect ...

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