“Recent results from astronomers who study the occasional gravitational lensing of unknown worlds by intervening stars suggest that orphan planets could be at least as numerous as the stars. In other words, there could be hundreds of billions of orphan worlds shuffling through our galaxy.”

A SETI astronomer and senior astronomer at the SETI Institute, Shostak explores the search for extraterrestrial intelligence with both scientific rigor and accessible clarity. His work bridges the gap between cutting-edge research and public understanding, offering perspectives on the cosmos, human curiosity, and the future of life beyond Earth.