Are We Alone? The Practical Limits of Cosmic Contact

Are We Alone? The Practical Limits of Cosmic Contact

Life elsewhere is plausible, but meaningful contact is unlikely for the foreseeable future given the vast cosmic distances, the possibility of non-physical or digital intelligences, and the Ships Passing in the Night phenomenon, so Earth may be unremarkable to others; nevertheless, continuing the search for life remains valuable for understanding our origins and science, and for now we should focus on preserving Earth while keeping curiosity about the cosmos.