Astronomers Propose New Way to Find Alien Life without Knowing What It Looks Like
A new ‘agnostic biosignature’ method searches for patterns across exoplanets, suggesting alien life could be detected by how it spreads and reshapes entire planetary systems. Harrison B. Smith & Lana Sinapayen used an agent-based model to show that if life can spread between star systems and affect the observable properties of a planet, then a…