Something strange is going on at the outer reaches of the solar system. One astronomer thinks it might be a Neptune-sized ninth planet, and he’s on a quest to find it. That search is happening at an enormous telescope on the summit of Maunakea, a dormant Hawaiian volcano with a long astronomical and cultural history. But many Native Hawaiian scientists are asking: What’s lost in the pursuit of larger and larger telescopes? For more, go to http://vox.com/unexplainable It’s a great place to sign up for our newsletter, view show transcripts, and read more about the topics on our show. Also, email us! [email protected] We read every email. Support Unexplainable by making a financial contribution to Vox! bit.ly/givepodcasts Learn more about your ad choices. Visit podcastchoices.com/adchoices