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.

Albuquerque International Balloon Fiesta attendees will notice something big missing at this year’s event: the America’s Challenge Gas Balloon Race won’t be taking place. “Due to timing of the FAI ...

Add Yahoo as a preferred source to see more of our stories on Google. Oct. 5—Albuquerque International Balloon Fiesta attendees will notice something big missing at this year's event: the America's ...