


- Science and Nature
How to Signal Aliens
PBS Space Time explores the outer reaches of space, the craziness of astrophysics, the possibilities of sci-fi, and anything else you can think of beyond Planet Earth. Host Matt O'Dowd breaks down both the basic and incredibly complex sides of space and time.
How to Signal Aliens
Season 1 Episode 18 | 6m 14s | CC
Everyone has their own opinion as to whether or not aliens exist. But let’s assume they do for a second and we wanted to let them know we're here!!!! How should we signal our species' existence through the expanse of space? There are a few options, but which is the most effective and the cheapest? Find out in this week’s episode of PBS Space Time!
Subscribe to Our Newsletters
Get trusted Colorado stories, programs, and events from Rocky Mountain PBS straight to your inbox.






















