Curiosity Finds Organic Molecules That Could Have Been Produced by Life on Mars

What do coal, crude oil, and truffles have in common? Go ahead. Well wait.
The answer is thiophenes, a molecule that behaves a lot like benzene. Crude oil, coal, and truffles all contain thiophenes. So do a few other substances. MSL Curiosity found thiophene… [+6938 chars]Source