Names of TV channels

[Rachel Adams]

When writing about TV channels should I use quotes?

"I like the channel "Star". There is also a magazine Star. It's articles are interesting and short to read."

 

[Tarheel]

When writing about TV channels should I use quotes?

"I like the channel "Star". There is also a magazine called Star. Its articles are interesting and brief."

No quotes. Example:

I like to watch the Discovery Channel.