Discovery Science is a TV network, a subsidiary of American Discovery Networks International, it targets several European countries’ television markets. It primarily features programming in the fields of space, technology and science. The channel originally launched as Discovery Sci-Trek, which focused on science fiction. Its programming is mainly in English and locally subtitled or dubbed. It is available through numerous satellite, cable, terrestrial and IPTV distributors across Europe, the Middle East and Africa. In some countries the advertisement and the announcements between programs are localized.