NASA TV (originally NASA Select) is the television service of the United States government agency NASA. The network airs a large amount of educational programming, and provides live coverage of an array of manned missions, including the Space Shuttle and International Space Station (ISS), robotic missions, and international launches.
Animal Planet is an American cable tv specialty channel that launched on October 1, 1996. It is distributed by Discovery Communications. Animal Planet and the National Aquarium in Baltimore (in 2004) announced a multi-year partnership which produced an original orientation film that gives Aquarium visitors background on the Australian area which inspired the new exhibit and a dedicated area inside the expansion where visitors can learn about Animal Planet's conservation efforts and other programming. The partnership also has possible future productions of TV programs about the National Aquarium in Baltimore's research and exhibits.
Discovery Channel (formerly The Discovery Channel) is an American satellite and cable TV channel (also delivered via IPTV, terrestrial television and internet television in other parts of the world), founded by John Hendricks and distributed by Discovery Communications. It provides documentary programming focused primarily on popular science, technology, and history. In the U.S., the programming for the main Discovery network is primarily focused on reality-based television themes. It also features documentaries specifically aimed at families and younger audiences.
National Geographic Channel, also commercially abbreviated and trademarked as Nat Geo, is a subscription television channel that airs non-fiction television programs produced by the National Geographic Society. Like History and the Discovery Channel, the channel features documentaries with factual content involving nature, science, culture, and history.