On Oct. 10, 1967, the international Outer Space Treaty was ratified. This treaty established a set of rules regulating how different countries can explore and use outer space. Find out more in our On This Day in Space video series!
- Lego Movie World Opening at Florida Park
- On This Day in Space! ISS Astronauts Toss ‘SuitSat’ Overboard
- See the Whirlpool Galaxy Through the Eyes of the NASA’s ‘Great Observatories’
- This Is the Purest Beam of Light in the World
- Hyperfast Shock Waves from a Supernova Heat Atoms to Blazing-Hot Temperatures