South Korea YTN Science (South Korea) YTN Science (YTN 사이언스) is a science and technology-themed channel based in Seoul, South Korea. April 21, 2018 June 17, 2021 South Korea
United States (US, USA) NASA TV – Media Channel NASA TV - Media Channel is a satellite TV that offers NASA's press release videos, interviews, and mission press conferences. April 11, 2018 June 17, 2021 United States (US, USA)
United States (US, USA) NASA TV – Public Channel NASA TV - Public and Education Channel airs space and science programs, live and recorded events, and documentaries. April 11, 2018 June 17, 2021 United States (US, USA)