(MENAFN) A North Korean nuclear site has been experiencing "modernization and expansion" throughout this year, according to a recent analysis by a US-based website that monitors the secretive nation.

"Commercial satellite imagery of North Korea's Yongbyon Nuclear Scientific Research Center from October and November 2025 shows continuation of modernization and expansion efforts throughout the site," stated the 38 North report.

"Yongbyon plays a critical role in the country's production of nuclear material for its weapons program, as the sole producer of plutonium and a significant source of enriched uranium."

The report highlighted that the suspected uranium enrichment facility, located northeast of the radiochemical laboratory, has witnessed the highest level of activity since the start of the year.

It further noted that the exterior construction of two auxiliary buildings in the eastern portion of the complex is complete, with concrete paving now surrounding them.

Moreover, 38 North reported the placement of six potential heat exchangers along the southeast side of the primary structure.

These devices are designed to cool centrifuges and manage internal temperatures.

"Other equipment appears to be outside the building," the report added. "Together, these objects indicate it is likely that work to complete the interior of the main building is still underway."

MENAFN24112025000045017167ID1110388722