June 2024, NASA Headquarters, Washington DC, USA. (invited seminar) 

May 2024, AbSciCon, Providence, RI, USA. (talk)

January 2024, Arcetri Astrobiology laboratory, Florence, Italy. (invited seminar) 

January 2024, PIIM laboratory, Aix-Marseille University, France. (invited seminar) 

May 2023, BEACON (Biennial European Astrobiology Conference), La Palma, Spain. (talk)

May 2023, AbGradEPEC (Astrobiology Graduates in Europe and Europlanet Early Career), La Palma, Spain. (poster)

May 2022, AbSciCon (Astrobiology Science Conference), Atlanta, GA, USA. (talk)

September 2021, AbGradCon, Tokyo, Japan, virtual. (talk) 

December 2019, AGU, San Francisco, CA, USA. (poster)

August 2019, AbGradCon (Astrobiology Graduate Conference), Salt Lake City, UT, USA. (poster)

December 2018, AGU (American Geophysical Union), Washington, DC, USA.

September 2017, IMOG (International Meeting on Organic Geochemistry), Florence, Italy.

New! Roussel, A.,  Pavlov, A. A., Dworkin, J. P., Johnson, S.S. (2024). Rapid Destruction of Lipid Biomarkers Under Simulated Cosmic Radiation. Astrobiology, 24(11). doi: 10.1089/ast.2024.0006

Roussel, A., McAdam, A. C., Pavlov, A. A., Knudson, C. A., Achilles, C. N., Foustoukos, D. I., Dworkin, J. P., Andrejkovičová, S., Dower, D. M., Johnson, S.S. (2024). Variable and Large Losses of Diagnostic Biomarkers After Simulated Cosmic Radiation Exposure in Clay- and Carbonate-Rich Mars Analog Samples. Astrobiology, 24(7). doi: 10.1089/ast.2023.0123 

Roussel A., McAdam A.C., Graham H.V., Pavlov A.A., Achilles C.N., Knudson C.A., Steele A., Foustoukos D.I. and Johnson S.S. (2022). Diagnostic biosignature transformation under simulated martian radiation in organic-rich sedimentary rocks. Front. Astron. Space Sci. 9:919828. https://doi.org/10.3389/fspas.2022.919828

Pavlov A. A., McLain H. L., Glavin D. P., Roussel A., Dworkin J. P., Elsila J. E., Yocum, K. M., (2022). Rapid radiolytic degradation of amino acids in the Martian shallow subsurface: Implications for the search for “extinct” life. Astrobiology. https://doi.org/10.1089/ast.2021.0166

Kaushal, S. S., Mayer, P. M., Likens, G. E., Reimer, J. E., Maas, C. M., Rippy, M. A., ... Chong, J. H. (2022). Five state factors control progressive stages of freshwater salinization syndrome. Limnology and Oceanography Letters. https://doi.org/10.1002/lol2.10248

Roussel A., Cui X., Summons R. E., (2020). Biomarker stratigraphy in the Athel Trough of the South Oman Salt Basin at the Ediacaran‐Cambrian Boundary. Geobiology. 18: 663– 681. https://doi.org/10.1111/gbi.12407

New! "Why the Search for Life on Mars is More Complicated Than We Thought", by Georgetown University, published on February 5, 2025

New!  "Cosmic rays may complicate the quest to find life on Mars", by Kiona N. Smith, Space.com, published on December 10, 2024