Right now, humans are tantalizingly close to being able to search for life on other worlds where it is reasonable to think life could exist. We can't do it yet - at least not in a way that would be safe for any potential life, but this is a long game, and as we'll discuss in this episode, the technologies we need are being actively developed and tested on Earth, and the missions we need to find the best places to search are either already out there doing their job, or preparing to launch. This could happen, provided nothing happens to prevent us from getting off the planet… (This episode originally aired on television March 25, 2023.)