Discovery Channel Logo and Tagline Discovery Channel is an American cable channel owned by Warner Bros. Discovery. John Hendricks founded the channel and its parent company, Cable Educational Network Inc., in 1982. Several investors raised $5 million in start-up capital to launch the network. The Discovery Channel began broadcasting on June 17, 1985. Info \tIndustry : TV Channel \tLaunched : June 17, 1985 \tHeadquarters : Silver Spring, Maryland \tLanguage(s) : English, Spanish \tOwner : Warner Bros. Discovery \tWebsite : www.discovery.com Discovery Channel Tagline / Slogan \tExplore Your World. \tThere's No Thrill Like Discovery. \tEntertain Your Brain. \tLet's All Discover. \tThe world is ours. \tThere's No Thrill Like Discovery. \tThe World is Ours. Discovery Channel Logo Discovery Channel Logo Tags : Discovery Channel Logo, Discovery Channel Tagline, Discovery Channel Slogan, Discovery Channel Owner, Discovery Channel ad slogan.