Louisiana has carried out its first nitrogen hypoxia execution and its first execution in 15 years, killing Jessie Hoffman Jr ...

Are your eyes feeling itchy or irritated? Do they look red? Those might be symptoms of a little-known condition caused by ...

Nitrogen hypoxia requires pumping pure nitrogen through a full-facepiece respirator until the person dies by lack of oxygen.

Airgas, a nitrogen and oxygen supplier, is considering action against Louisiana over potential misuse of its products during ...

Louisiana used nitrogen gas to put Jessie Hoffman Jr., 46, to death Tuesday evening in the state's first execution in 15 ...

On the day that Louisiana’s first execution in 15 years is scheduled to take place, attorneys for the inmate are hoping for a ...

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

Jessie Hoffman was put to death on Tuesday after the Supreme Court declined to intervene. It was the state’s first execution ...