Scientists predict that Earth's atmosphere will transform back to a methane-rich state in about a billion years, drastically reducing oxygen levels and threatening life as we know it. This shift could happen rapidly, returning the planet to conditions reminiscent of its early history, long before human existence. What does this mean for our search for life beyond Earth?
A team of researchers explores the potential for life on Titan, Saturn's largest moon, focusing on its unique organic content and subsurface ocean. Could microbial life exist in this alien world?