The International Symposium on Subsurface Microbiology (ISSM) is a premier global scientific conference dedicated to advancing the understanding of the microbial ecosystems that thrive beneath Earth’s surface. With a focus on cutting-edge, unpublished research, ISSM creates a dynamic platform for scientists from around the world to explore the latest breakthroughs in subsurface microbiology. The symposium fosters an environment of collaboration and discovery, prioritizing thoughtful exchanges after each presentation and encouraging informal interactions among researchers at all career stages.

In 2026, from the 30th of August to the 4th of September, the 12th ISSM will take place in Vienna, Austria—a city renowned for its rich history, cultural heritage, and commitment to scientific excellence. Vienna’s central European location serves as a hub for international collaboration, providing an inspiring backdrop for scientific networking.