NEW YORK (Reuters) - Gas ballooning, as an adventure sport, is likely to fade away in the United States, as a sharp spike in helium prices and supply constraints threaten the survival of the sport.

Pulsar Helium is exploring for helium, which is in high demand and has limited supply due to the closure of the US national reserve. The company is specifically looking for deposits where helium is ...

SAN FRANCISCO (MarketWatch) -- Praxair Inc., the Danbury, Conn., industrial-gas producer, said that effective June 14 it is raising prices 20 percent for bulk and cylinder argon and 10 percent for ...

The share price of helium hunter Helix Exploration shot up in early morning trading on London on Monday morning after the company reported positive signs from an exploration well underway in the US.