Louisiana plans to use nitrogen gas to execute death row inmate Jessie Hoffman next week. Here's what to know about the method and why its controversial.

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

Last year, a new execution method was used in the U.S. for the first time since 1982. Here’s a look at how people have been ...

Without oxygen, the body’s cells and organs are ... a death row inmate would be forced to breathe the pure nitrogen through a gas mask fastened tightly to their face for either 15 minutes ...

Despite more states shifting toward nitrogen hypoxia executions as lethal injection drugs become scarce, the high court ...