Life could exists in the clouds on Venus, I've read. Or vast underwater oceans within the moons of the outer planets.
#CHNOPS stands for #Carbon, #Hydrogen, #Nitrogen, #Oxygen, #Phosphorus, and #Sulfur. These six elements make up 98% of living matter on Earth! How does that help you? If you understand the chemical behavior of CHNOPS, you can understand almost all of biochemistry.
CHNOPS: Elements of Life - #Socratica