PolarX Reports More Hyper Grade Copper Assays as Northern Star Joint Venture Drilling commences at its Caribou Dome Copper Project in Alaska

ANCHORAGE, Alaska, June 9, 2026 /PRNewswire/ -- PolarX Limited (ASX: PXX; OTCQB: PXXXF) announced the final assays from its 2025 diamond drilling program at its hyper-grade Caribou Dome Copper Project, which is a part of its joint venture with Northern Star Resources in Alaska, have...