All RetroRGB news posts can be views through an RSS reader, such as Feedly. Try using the link: http://retrorgb.com/category/retrorgb/feed
…or if you need an “atom” formatted feed: http://retrorgb.com/category/retrorgb/feed/atom
Also, all interviews and the weekly podcast are available on all major podcasting sites (iTunes, Google Play, etc) under “RetroRGB”, as well as available as a direct mp3 stream. More information can be found here: http://retrorgb.com/podcast/