Technosignatures: The Evolving Quest for Detectable Signs of Intelligent Life
To the point
Search for extraterrestrial life now centers on technosignatures—evidence that intelligent civilizations alter their environments—driven by the exoplanet boom and scholars like Adam Frank and Jill Tarter, with ideas from pollutants and solar panels to megastructures and ongoing debates about signaling versus listening and whether humanity should announce its presence.
