Aliens could be ‘listening in on Earth’ with predicted first human contact made by 2029 Posted on May 6, 2023 By Charlielikes Aliens listening in on spacecraft signals will be able to send responses thanks to radio wave transmissions sent to interstellar NASA probes, according to hopeful scientists news Tags:‘could, ‘first, ‘with, “made, 2029, aliens, be, by, contact, earth, human, in, listening, news, on, predicted, topnews, trending