NASA
NASA is one of the few government agencies that tries to take transparency to heart.
The space agency even says so in its core mission: "We reach for new heights and reveal the unknown for the benefit of humankind."
Aside from NASA's savvy social media feeds, NASA TV is a great place to see what thousands of astronauts and scientists are doing and discovering all over the universe.
NASA TV broadcasts live spacecraft launches, experiments at the International Space Station, interviews with astronauts, and shows about the agency's planned missions.
It was where tens of thousands of people watched astronaut Scott Kelly return from 340 days in space.
And you can watch it too! Here's the livestream: