Microbes in Yellowstone Thermal Pools Could Shed Light on Ancient Life

Learn more about how researchers are using the microbes in Yellowstone thermal pools to understand how life developed during a low-oxygen period.

By Monica Cull
Feb 4, 2025 10:45 PMFeb 4, 2025 10:42 PM
thermal-spring-in-yellowstone
One of Yellowstone National Park's many thermal springs. (Cat Dang Photography/Shutterstock)

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From the bubbling hot springs of Yellowstone National Park, researchers from Montana State University (MSU) have analyzed three thermophilic microbes, revealing how they may have adapted in a low-oxygen environment and evolved to live today. 

After over two decades of research, the new study published in Nature Communications, highlights three microbes collected from two different hot springs within Yellowstone National Park.

With the new information gathered, researchers are hoping it can shed light on the way life evolved before the Great Oxidation Event occurred 2.4 million years ago. Prior to the event, Earth’s atmosphere contained about 2 percent oxygen. Afterward, it jumped to 20 percent. 

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