The science museum was ranked the best in the U.S. in this year's USA TODAY 10Best Readers' Choice Awards. Its planetarium ...

COSI was named the best science museum in the nation by USA TODAY's 10Best Readers' Choice Awards. This marks the fifth time ...

Vote for the best science museum once per day until polls close on February 27 at noon ET. The 10 winners will be announced on March 6. Have questions? Read the official Readers' Choice rules.