Helium One snaps up stake in major US project as global expansion takes off Industrials London-listed helium explorer Helium One has acquired a significant stake in two major US projects as it continues its quest to expand its global footprint. The firm, which is the biggest helium explorer in Tanzania, has signed an agreement to acquire a 50 per cent stake in Blue Star Helium’s Galactica-Pegasus project in Colorado. Helium [...]