As long as you’ve got a helium tank handy, says inventor Joseph Cory, just one or two of these balloons made with photovoltaic solar cells could power your whole house.

STATEN ISLAND, N.Y. — Approximately 121,000 of the popular mini helium tanks by the brand Balloon Time are being recalled due to an injury hazard, according to the U.S. Consumer Product Safety ...

While stores like Party City, Dollar Tree, and Giant Eagle no longer provide helium filled balloons, Party City still has helium tanks, small ones that for $35 to $45 and fill as many as 25 ...

But now that the gas is in short supply and the price has shot up, it’s not entirely clear what will happen. Helium also is used in space flight to pressurize the fuel tanks of liquid-fueled ...