On June 23, 1949, the XS-1 space plane flew for the 117th time. The XS-1, later called the Bell X-1, was a piloted, rocket engine-powered plane that could fly faster than the speed of sound. See how it happened 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