MSNBC is an American cable news channel owned by the NBCUniversal News Group division of NBCUniversal, a subsidiary of Comcast. Launched on July 15, 1996, and headquartered at 30 Rockefeller Plaza in Manhattan, the channel primarily broadcasts rolling news coverage and liberal-leaning political commentary. . MSNBC was originally established as part of a joint venture between NBC News and Microsoft (with its name being a portmanteau of MSN and NBC), encompassing the channel and the news website MSNBC.com.
https://en.wikipedia.org/wiki/MSNBC