Sorry, Elon. There's Not Enough CO2 To Terraform Mars

Mars might not have the right ingredients to terraform into our planetary home away from home - even with the recent discovery of liquid water buried near its south pole.Research published Monday in Nature Astronomy puts a kibosh on the idea of terraforming Mars. At the heart of the study is carbon dioxide. Carbon dioxide, a greenhouse gas, is abundant on Mars — its thin atmosphere is made of the stuff, and the white stuff we often see on the surface is dry ice, not snow. CO2 is even tra