Dr. David Darling, renowned astronomer and author, examines the possibility that alien civilizations may already be present within our solar system. Could advanced extraterrestrial intelligence be operating in Earth's vicinity while remaining undetected by conventional astronomical surveys? Darling discusses the limitations of current search strategies and why alien presence might go unnoticed if visitors employ technology beyond our understanding. He explores potential hiding places throughout the solar system, including asteroid belts, moons, and regions where artificial objects could exist without triggering detection by existing monitoring systems. The conversation examines theoretical approaches aliens might use to study Earth while maintaining concealment, including miniaturized probes, camouflaged installations, and observation posts. Darling addresses the Drake Equation and statistical arguments suggesting that if intelligent life exists elsewhere, it should already have reached our solar system given the age of the galaxy. He discusses how alien technology might operate on principles unknown to human science, making their presence virtually invisible to our detection methods. The interview explores the implications of alien presence for human development and whether such civilizations might be deliberately avoiding contact until humanity reaches certain technological or social milestones.