Soviet spacecraft Luna 6, destined for a moon landing, failed after flying right past it.
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NASA mission STS-72 landed at the Kennedy Space Center after eight days in space.
The Discovery Space Shuttle was launched on the fifth Department of Defense shuttle mission.
The Discovery Space Shuttle deployed the Hubble Space Telescope into low-Earth orbit.
Astronauts on Apollo 15 discovered a rock that could date back to the birth of the moon.
China successfully landed its moon rover.
