The State Museum of the History of Cosmonautics named after K. E. Tsiolkovsky is a museum complex in Kaluga, Russia, dedicated to space exploration, astronomy, and the legacy of pioneering scientist Konstantin Tsiolkovsky.

Its sites include the main Museum of the History of Cosmonautics, the Kaluga Planetarium, Tsiolkovsky’s memorial house and apartment museum, the A. L. Chizhevsky House-Museum, the N.

E. Zhukovsky Scientific Memorial Museum, and an astronomical observatory. The museum presents exhibitions, collections, and research, and supports learning through a scientific library, publications, seminars, educational programs, and workshops.

Visitors can take guided tours, attend lectures and museum classes, and explore temporary exhibitions and online resources. The planetarium offers astronomy programs for different ages, while the observatory hosts tours and observations of celestial objects. Other visitor experiences include a cinema, a science-adventure complex with 5D cabins, an interactive multimedia attraction, a docking simulator, themed events, and an audio promenade.

The complex also provides a museum café, shop, and conference hall