Study revisits chances of detecting alien technosignatures

Sydney, Australia (SPX) Feb 19, 2026

For more than sixty years, astronomers have searched the sky for signs of advanced extraterrestrial technology, scanning the Milky Way for artificial radio transmissions, optical flashes and excess infrared heat.

Despite these efforts, no technosignature has been confirmed so far, a silence often attributed to the fact that only a tiny fraction of the cosmic search space has been explored.