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About

Michael J. Malaska is a leading planetary scientist whose research bridges the frontiers of astrobiology, space exploration, and planetary geology. His work centers on understanding how organic molecules and potential biosignatures survive the extreme conditions of hypervelocity impacts—a critical question for missions returning samples from icy moons like Enceladus or Europa. His highly cited 2021 paper (41 citations) provides atomic-scale insights into the fragmentation of small-molecular-weight biosignatures during impacts exceeding 3 km/s, directly informing the design of future sampling instruments. Equally impactful is his 2022 synthesis on planetary cave exploration (38 citations), which outlines fundamental science and engineering questions for investigating subsurface environments across the solar system—from lunar lava tubes to Martian pits. This work has helped shape NASA’s strategic priorities for in-situ exploration of these protected habitats, which may harbor evidence of past or present life. Malaska’s research is distinguished by its integration of laboratory experiments, theoretical modeling, and mission-relevant applications, making him a key voice in the search for life beyond Earth and the future of planetary cave science.