The molecules may be remnants of fatty acids, which form cell membranes in Earth’s organisms, though they might have formed ...
Curiosity found large organic molecules in a 2013 Mars rock sample. These fragments suggest Mars had the right chemistry for ...
Fatty acids are organic acids with at least one carboxyl (-C(=O)OH, -COOH or -CO2H) group and a long carbon chain that can be joined by double bonds, as in unsaturated fatty acids, or single bonds ...