Deciphering biosignatures in planetary contexts

MA Chan, NW Hinman, SL Potter-McIntyre… - Astrobiology, 2019 - liebertpub.com
Microbial life permeates Earth's critical zone and has likely inhabited nearly all our planet's
surface and near subsurface since before the beginning of the sedimentary rock record …

A field guide to finding fossils on Mars

S McMahon, T Bosak, JP Grotzinger… - Journal of …, 2018 - Wiley Online Library
The Martian surface is cold, dry, exposed to biologically harmful radiation and apparently
barren today. Nevertheless, there is clear geological evidence for warmer, wetter intervals in …

The potential science and engineering value of samples delivered to Earth by Mars sample return: International MSR Objectives and Samples Team (iMOST)

DW Beaty, MM Grady, HY McSween… - … & Planetary Science, 2019 - Wiley Online Library
Return of samples from the surface of Mars has been a goal of the international Mars
science community for many years. Affirmation by NASA and ESA of the importance of Mars …

Mars extant life: What's next? Conference report

BL Carrier, DW Beaty, MA Meyer, JG Blank, L Chou… - 2020 - liebertpub.com
On November 5–8, 2019, the “Mars Extant Life: What's Next?” conference was convened in
Carlsbad, New Mexico. The conference gathered a community of actively publishing experts …

Interannual, seasonal and regional variations in the Martian convective boundary layer derived from GCM simulations with a semi‐interactive dust transport model

CB Senel, O Temel, C Lee, CE Newman… - Journal of …, 2021 - Wiley Online Library
We present interannual, seasonal, and regional variations in the daytime Martian convective
boundary layer (CBL). Martian CBL meteorology is driven both by the effect of diurnal and …

Fractal analysis of the Martian landscape: A study of kilometre-scale topographic roughness

E Pardo-Igúzquiza, PA Dowd - Icarus, 2022 - Elsevier
Natural and engineered surfaces can be modelled as fractal objects described by a non-
integer dimension (ie, their fractal dimension). This approach has been used extensively to …

Rolling ironstones from earth and mars: Terrestrial hydrothermal ooids as a potential analogue of martian spherules

M Di Bella, F Pirajno, G Sabatino, S Quartieri… - Minerals, 2021 - mdpi.com
High-resolution images of Mars from National Aeronautics and Space Administration
(NASA) rovers revealed mm-size loose haematite spherulitic deposits (nicknamed …

The role of pre-existing faults and fractures in sha** polygonal impact craters and its tectonic implications in the southern Margaritifer Terra region, Mars

S Basu, N Dasgupta, A Kundu, S Bhattacharya… - Journal of Earth System …, 2022 - Springer
The presence of polygonal-shaped craters, ie, craters with complete or incomplete
polygonal rims along with circular or elliptical outlines, on the surface of celestial bodies has …

Stable isotope fractionation in a cold spring system, Utah, USA: insights for sample selection on Mars

JM Knuth, SL Potter-McIntyre - Astrobiology, 2021 - liebertpub.com
Stable δ13C isotope analysis at hot and cold springs suggests that rapid degassing
overprints carbon isotopic biosignatures even when microbial activity produces biogenic …

The potential science and engineering value of samples delivered to Earth by Mars sample return

DW Beaty, MM Grady, HY McSween, E Sefton-Nash… - 2018 - nhm.openrepository.com
Return of samples from the surface of Mars has been a goal of the international Mars
science community for many years. Affirmation by NASA and ESA of the importance of Mars …