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About

J. L. Eigenbrode is a leading astrobiologist and geochemist whose research bridges planetary exploration and the search for life beyond Earth. Her most impactful contribution comes from her work on the Sample Analysis at Mars (SAM) instrument suite aboard the Mars Science Laboratory (MSL) Curiosity rover, detailed in a highly cited 2012 paper (563 citations). This investigation revolutionized our understanding of Mars’ chemical and isotopic composition, analyzing both the atmosphere and volatiles from solid samples to assess the planet’s habitability. Eigenbrode has also pioneered technologies for future sample return missions, including detachable scoops to prevent cross-contamination during robotic caching. More recently, she has expanded the frontiers of astrobiology by exploring ocean worlds like Enceladus, and she led the development of the Life Detection Knowledge Base (LDKB)—a community webtool and taxonomy of potential biosignatures designed to mitigate false positives and negatives in life-detection efforts. Her work on low-latency teleoperations for human exploration further demonstrates her commitment to advancing crew-assisted sample return. With a career defined by instrument development, mission-critical analysis, and conceptual frameworks for detecting life, Eigenbrode is a pivotal figure in shaping how we search for life across the solar system.