NASA TV is a television network owned and operated by NASA. It is broadcast worldwide by satellite and across the internet. The network broadcasts educational programs and live feeds from manned missions such as the ISS, robotic missions and a variety of international launches.

The NASA TV network carries five channels. The Public Services Channel provides 24-hour broadcasting of live and recorded events and documentaries aimed toward the general public. The Education channel provides space and science programming for schools, museums and other educational institutions. The Media Services channel is dedicated to members of the press, featuring press release video, interviews, mission press conferences and other services.There is an online-only channel featuring continuous live footage from the ISS, broadcast as part of the 10th anniversary of the station in orbit.
The final is the Space Operations channel, an internal, encrypted feed for NASA spaceflight operations.

NASA TV can be viewed HERE and on YouTube.

Live streams are also available


Other Space Agencies

The European Space Agency and the Russian Federal Space Agency both broadcast their own TV stations. Neither station broadcasts live over the internet although NASA TV does occasionally include material from these stations, particularly footage filmed aboard the ISS.