Scientists map the presence of Helicobacter pylori in the stomach of mice, showing where the bacteria colonize the gastric glands.

Scientists discover a third fungus that is widespread in lichens, but it’s not clear yet whether it’s a partner in the algal-fungal symbiosis or a bystander.

New findings cast doubt on previous claims that structures found preserved in rocks in Greenland are stromatolites, but the original authors say the discrepancy lies in different samples.

Using his expertise in microbiology and bioinformatics, he is bringing a new understanding to microbial immune systems.

From journeys into mines to explorations of volcanoes on the ocean floor, deep voyages reveal the richness of the planet’s deep biosphere.

Microbes were living on land as early as 3.22 billion years ago, fossilized rocks show, 500 million years earlier than previously documented.

The American Society for Microbiology held its 4th contest for images created from microorganisms feeding on agar. 

Contrary to some hypotheses, the organelles did not descend from any known lineage of Alphaproteobacteria, researchers find.

Authors of a new study suggest that 520-million-year-old structures, previously identified as the brains of ancient arthropods, are instead preserved microbial biofilms.