McDonnell Planetarium is in the running. Last year, they were nominated for the best free museum and best science museum. According to the Saint Louis Science Center, they have finished within the ...

This year marks the first time the James S. McDonnell Planetarium is in the running. Last year, they were nominated for the best free museum and best science museum. According to the Saint Louis ...

It happens about once a year, said Eric Gustafson, senior educator with the James S. McDonnell Planetarium. This one will last until mid-February, when the planets’ paths around the sun will ...

Favorite exhibits include the James S. McDonnell Planetarium, the OMNIMAX Theater, a flight simulator and the GROW pavilion, dedicated to agriculture. Kids will love (or scream at) the life-size T.