Earth's closest alien life probably isn't very advanced, says new study

Science Space Deep Space Exoplanets Earth's closest alien life probably isn't very advanced, says new study Potential plant life may be a key indicator for exoplanet evolutionary timelines. More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. Many exoplanets orbit older red dwarf stars, which are dimmer and cooler than our sun. The sheer scale of the universe strongly suggests Earth isn't its only life-hosting planet. But do distant worlds harbor the types of advanced spacefaring civilizations depicted in science fiction, or just far simpler microbes?