is a museum of the natural sciences in Tomioka, Gunma Prefecture, Japan.
The museum first opened in 1978 under its old Japanese name, after repairs to the former . In 1996, the old museum closed, and its collection was transferred, before reopening under its current name in a new building to designs by Uchii Shà Âzà Â. On 8 August 2008, the Museum received its two millionth visitor, and on 7 August 2015, its three millionth.