Discovery Communications font here refers to the font used in the log of Discovery Communications, which is an American global mass media and entertainment company based in Silver Spring, Maryland.
The font used for the logo is Gotham Medium, which is a geometric sans-serif inspired by the form of architectural signage that achieved popularity in the mid-twentieth century throughout New York City. You can view more details about it here.
Download Gotham Font
The Gotham font identified above is not available for free, please follow the link above and purchase the font. Meanwhile, you can take a look at our collection of fonts for cars, pop music and apparel as well as round-ups of new & fresh fonts around the web.