July 14th, 2015 marks the first ever flyby by Pluto by the New Horizons spacecraft. If you want to learn more about the mission or Pluto or are teaching about the subject, you may find these resources useful:
1. John Hopkins Applied Science Laboratory
John Hopkins has a website that is dedicated to the New Horizons spacecraft mission. The website has multiple resources to teach and learn about the mission and Pluto itself.
NASA's website also has several resources to choose from to learn about the mission, including images and videos.
Space.com has several articles, videos and info-graphics over the New Horizons mission.
How to watch and follow
NASA TV -you can view the live stream of the New Horizon's mission here at NASA's website. The live stream will start on 7/14/15 at 7:30 AM EST.
Twitter - you can follow the mission on Twitter by following NASA New Horizons and by following #Plutoflyby.