Carlton Allen

Evidence for interstellar origin of seven dust particles collected by the Stardust spacecraft

A. J. Westphal, R. M. Stroud, Hans A. Bechtel et al. · Science · 2014 · 192 citations · Full text

Seven Particles, Crystal Structure, Cosmic Abundance +14

Polymeric substances and biofilms as biomarkers in terrestrial materials: Implications for extraterrestrial samples

Francès Westall, A. Steele, J. Toporski et al. · Journal of Geophysical Research Atmospheres · 2000 · 131 citations · Full text

Biofilms, Organic Geochemistry, Extraterrestrial Samples +15

Microscopic Physical Biomarkers in Carbonate Hot Springs: Implications in the Search for Life on Mars

Carlton Allen · Icarus · 2000 · 82 citations

Organic Geochemistry, Biosignature, Microscopic Physical Biomarkers +8

Curating NASA's extraterrestrial samples—Past, present, and future

Carlton Allen, J. Allton, G. E. Lofgren et al. · Geochemistry · 2011 · 41 citations · Full text

Search For Extraterrestrial Intelligence, Extraterrestrial Samples—past, Extraterrestrial Intelligence +2

Asteroid Return Mission Feasibility Study

John Brophy, R. Gershman, Damon Landau et al. · 2011 · 39 citations

Space Vehicle, Engineering, Field Robotics +16