Fox4ward: The Hunt for a "Missing" Planet By Dan Godwin Published January 29, 2018 FOX 4 Features FOX 4 News Dallas-Fort Worth Share Copy Link Email Facebook Twitter LinkedIn Reddit Scientists refer to it as "Planet 9". It's apparently located in the far reaches of our solar system, and yet, we can't seem to find it. For this Fox4ward, we learn more about the search, from a planetary scientist at UT Dallas.