[3] Through various additions over the next two decades, the original building grew into a 20-room complex that housed the Institution's collections, library, laboratories, and offices.

In 1968, under the then director Katherine Palmer, PRI relocated to its present facility on West Hill, along Trumansburg Road (N.Y. Rte.

[5] Attracting approximately 30,000 visitors a year,[4] the museum's displays include fossils, glaciers, coral reef aquaria, and the skeletons of a right whale and American mastodon.

PRI offers programs and opportunities for both students and teachers at the regional, state, and national levels to learn about a wide variety of topics, including ecology, evolution, Earth science, energy, and climate change.

With over seven million specimens, PRI houses one of the ten largest collections of fossils and Recent shells in the United States.

Much of the current research done at PRI focuses on fossils and Recent mollusks of the Western hemisphere, in addition to Devonian marine invertebrates and Pleistocene mastodons of New York State.

[15] Originating as a newsletter for members of PRI and the Museum of the Earth, American Paleontologist was a quarterly magazine designed to be accessible for everyone interested in fossils and the history of life.

American Paleontologist was published in themed issues and featured articles by experts in paleontology and related fields, regular columns, book reviews, scientific and PRI-specific news, a museum calendar of events, and an insert geared towards children titled "Fossil Stuff".