The Houston Astros are an American professional baseball team located in Houston, Texas. The Astros are members of the American League (AL) West division in Major League Baseball (MLB), having moved to the division in 2013 after spending their first 51 seasons in the National League (NL). The Astros have played their home games at Minute Maid Park since 2000. The Astros were established as the Houston Colt .45s and entered the National League in 1962. Soon thereafter, The Houston Astrodome was built and the team took on the stadium namesake.