the team announced the name change from Colt .45s to Astros. The name change was to honor Houston's new position as the center of the nation's space program. The Astros' logo and colors have ...

The Astros were first called the Houston Colt .45s for the first three years of the franchise’s existence. It wasn’t until Dec. 1964 that the team’s owner at the time, Roy Hofheinz ...