The Carnegie Science Center's expansion and renovation aimed to revitalize the center with sustainable, modern, and transparent architecture.

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The new PPG Science Pavilion, a four-story addition on the east side of the building, utilizes expansive views of downtown Pittsburgh and its rivers. This addition envelops the original OmniMax drum and integrates a new stair and elevator tower, creating a seamless link between the old and new. The façade features a striking two-story perforated aluminum scrim against an insulated metal panel backdrop, enhancing the building's architectural appeal.

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The expansion introduces key elements to support the Science Center’s mission. The ground floor includes nine classrooms with views of a new sustainable rain garden and outdoor classroom. The second and mezzanine levels house a 14,000-square-foot space for traveling exhibitions, while the top floor provides a special events area with floor-to-ceiling glass and views of downtown Pittsburgh.

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The project also reconfigures the ground-level café and group services area, renovates the Rangos Theater, and updates the main ticketing floor to streamline processes and improve visitor experience, transforming the Science Center into a more open and inviting facility.