Darby Project

Cosa Announces Largest Drill Program to Date at Murphy Lake North with Participation from Denison Mines

Drill Results · May 28, 2026

Cosa Intersects up to 1.7% U3O8 Within Interval of 5.0 m of 0.55% U3O8 at Murphy Lake North Joint Venture with Denison Mines

Drill Results · May 26, 2026

Cosa Reports Anomalous Uranium in Sandstone at Darby Joint Venture with Denison Mines

Drill Results · May 6, 2026

Cosa Announces Expansions to Orion Project and Joint Ventures with Denison Mines

M&A & Deals · Mar 3, 2026

Cosa Announces Option of Aurora Project to Traction Uranium for Over $10 Million in Consideration and Project Expenditures

M&A & Deals · Feb 11, 2026