Mars rover detects chemicals of life — but it doesn’t prove aliens just yet, scientists caution

A recent study published in the scientific journal Nature reveals the existence of organic compounds on Mars. The good news is this could indicate the existence of life — the bad news is that there are other possible explanations.

Organic compounds are molecules formed from carbon, although they often include other life-associated elements like phosphorus, oxygen, sulfur, hydrogen and nitrogen....

Originally posted on salon.com