Unknown World (1951):

Scientists use a gigantic drilling machine for an expedition to the center of the earth.

Phantom from Space (1953):

When an asteroid crashes, the search begins to track down the mysterious aliens.

Voyage to the Prehistoric Planet (1965):

In 2020, after the colonization of the moon, the spaceships Vega, Sirius and Capella are launched from Lunar Station 7. They are to explore Venus under the command of Professor Hartman, but an asteroid collides and explodes Capella.