Pond scum explains evolution of first animals

Microbial mats that existed on sea floors prior to the Cambrian explosion provided the foundation for early animal life to arise, new research looking at trace fossils of that early life has found.

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 ...

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 ...

Tracking microbial mat formation in Yellowstone

Researchers determined the contributions of different microbes toward the establishment of microbial mat communities in the hot and acidic environments of the Yellowstone Hot Springs.

Potential signs of ancient life in Mars rover photos

A careful study of images taken by the NASA rover Curiosity has revealed intriguing similarities between ancient sedimentary rocks on Mars and structures shaped by microbes on Earth. The findings suggest, but do not prove, ...

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