It was the fifth time nitrogen gas was used in the US after four executions by the same method — all in Alabama.

Jessie Hoffman Jr., who was convicted in a 1996 murder, has argued the method of nitrogen hypoxia would violate his ability ...

Pope Francis, in hospital for more than a month with pneumonia, did not need to use an oxygen mask overnight as the ...

The U.S. Supreme Court rejected a last-ditch effort to block Louisiana’s first execution using nitrogen gas, which is ...

The planned execution at Angola will mark the first time Louisiana has used the lethal method on a death row inmate.

Francis is now able to spend some time off high flows of oxygen, using ordinary supplemental oxygen delivered by a nasal tube ...