December 18

1958 – Project SCORE, Earth's first communications satellite, is launched.
1966 – Saturn's moon "Epimetheus" is discovered by Richard L. Walker.
1999 – NASA launches the "Terra platform" into orbit.
2018 – A meteor explodes over the Bering Sea, with a force over 10 times greater than an atomic bomb.

2127 – The first successful Bolian warp drive test is conducted in the Bolarus star system.