Mission overview and scientific contributions from the Mars Science Laboratory Curiosity rover after eight years of surface operations

AR Vasavada - Space Science Reviews, 2022 - Springer
Abstract NASA's Mars Science Laboratory mission, with its Curiosity rover, has been
exploring Gale crater (5.4° S, 137.8° E) since 2012 with the goal of assessing the potential of …

False biosignatures on Mars: anticipating ambiguity

S McMahon, J Cosmidis - Journal of the Geological Society, 2022 - lyellcollection.org
It is often acknowledged that the search for life on Mars might produce false positive results,
particularly via the detection of objects, patterns or substances that resemble the products of …

Alteration history of Séítah formation rocks inferred by PIXL x-ray fluorescence, x-ray diffraction, and multispectral imaging on Mars

MM Tice, JA Hurowitz, AC Allwood, MWM Jones… - Science …, 2022 - science.org
Collocated crystal sizes and mineral identities are critical for interpreting textural
relationships in rocks and testing geological hypotheses, but it has been previously …

Depleted carbon isotope compositions observed at Gale crater, Mars

CH House, GM Wong, CR Webster, GJ Flesch… - Proceedings of the …, 2022 - pnas.org
Obtaining carbon isotopic information for organic carbon from Martian sediments has long
been a goal of planetary science, as it has the potential to elucidate the origin of such …

Organic molecules revealed in Mars's Bagnold Dunes by Curiosity's derivatization experiment

M Millan, S Teinturier, CA Malespin, JY Bonnet… - Nature …, 2022 - nature.com
The wet chemistry experiments on the Sample Analysis at Mars instrument on NASA's
Curiosity rover were designed to facilitate gas chromatography mass spectrometry analyses …

Organic carbon concentrations in 3.5-billion-year-old lacustrine mudstones of Mars

JC Stern, CA Malespin, JL Eigenbrode… - Proceedings of the …, 2022 - pnas.org
The Sample Analysis at Mars instrument stepped combustion experiment on a Yellowknife
Bay mudstone at Gale crater, Mars revealed the presence of organic carbon of Martian and …

Synthesis of 13C-depleted organic matter from CO in a reducing early Martian atmosphere

Y Ueno, JA Schmidt, MS Johnson, X Zang… - Nature …, 2024 - nature.com
Organic matter found in early Martian sediment may yield clues to the planet's environmental
conditions, prebiotic chemistry and habitability, but its origin remains unclear. Strong 13C …

Highly enriched carbon and oxygen isotopes in carbonate-derived CO2 at Gale crater, Mars

DG Burtt, JC Stern, CR Webster, AE Hofmann… - Proceedings of the …, 2024 - pnas.org
Carbonate minerals are of particular interest in paleoenvironmental research as they are an
integral part of the carbon and water cycles, both of which are relevant to habitability. Given …

Astrobiological potential of rocks acquired by the Perseverance rover at a sedimentary fan front in Jezero crater, Mars

T Bosak, DL Shuster, EL Scheller, S Siljeström… - AGU …, 2024 - Wiley Online Library
The Perseverance rover has collected seven oriented samples of sedimentary rocks, all
likely older than the oldest signs of widespread life on Earth, at the exposed base of the …

Organic matter and biomarkers: Why are samples required?

MA Sephton, A Steele, F Westall, F Schubotz - Proceedings of the …, 2025 - pnas.org
The search for evidence of past prebiotic or biotic activity on Mars will be enhanced by the
return of samples to Earth laboratories. While impressive analytical feats have been …