The Academy of Natural Sciences in Philadelphia closed its public galleries after nearly 200 years, with the last visitor day on Sept. 27 and an official closure on Sept. 30. Drexel University says scientific research and stewardship of the Academy’s more than 19 million specimens will continue. Leaders cited post-pandemic attendance shifts and rising operational costs and are exploring sustainable ways to display parts of the collection. The decision prompted protests, an 8,000-visitor surge before closing, and City Council hearings into the closure’s impact.
Philadelphia’s Academy of Natural Sciences Closes Public Galleries After Nearly 200 Years

After nearly two centuries of welcoming families to see dinosaurs, dioramas and specimens from around the world, the public galleries at Philadelphia’s Academy of Natural Sciences have closed.
The museum welcomed visitors for the final time on Sunday, Sept. 27, and its public operations officially ended on Sept. 30. While the public-facing galleries are shutting their doors, the Academy’s scientific work will continue.
A Long Scientific Legacy — The Academy traces its institutional roots to 1812, when seven naturalists founded it to advance scientific discovery. Public exhibitions began in 1828, and the galleries have been a Philadelphia cultural fixture ever since.
Collections and Research Will Continue — Drexel University, which oversees the Academy, emphasized that the closure applies only to public galleries. Research, curation and stewardship of the Academy’s collections — more than 19 million biological specimens, fossils, archives and research materials — will continue under Drexel’s management.
Why the Galleries Closed — Academy and Drexel leaders said shifting attendance patterns since the COVID-19 pandemic, combined with steadily rising operating costs, made maintaining the museum in its current form unsustainable. They concluded those costs were putting undue pressure on resources needed for research, conservation and long-term preservation.
What Comes Next — Officials say they are exploring financially sustainable ways to display portions of the collection and to continue science education, though no immediate reopening date was announced. The Academy stressed that its scientific missions — including biodiversity, evolution and environmental change research supported by its collections — will go on.
Public Reaction and Government Review — The announcement prompted protests and calls for reconsideration. The Philadelphia Inquirer reported about 8,000 visitors on the Saturday before the final day. Philadelphia City Council has authorized hearings to examine the decision, its local impact and options to preserve or restore public access to the collections.
The public galleries that first opened in 1828 are now closed, but the Academy says its scientific work and care for its collections will continue while leaders weigh future forms of public access.
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