We’re currently the only planet that we know of in the entire universe that supports and harbors life. So, in a sense, the best way to explore what other habitable worlds might look like is to understand more about our own. That’s what researchers set out to do in a new study that simulated what Earth would look like if life never developed. Their findings, published in The Planetary Science Journal and flagged by ScienceAlert, could help astronomers distinguish which atmospheric signatures they see on other worlds can be independent…


