Death row inmate Jessie Hoffman's execution marks the first time Louisiana has used the method and is the state's first ...

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 ...

While previous studies say volcanic or atmospheric lightning may have triggered chemical reactions that created organic ...

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

Jessie Hoffman Jr was executed with nitrogen gas after being convicted of the rape and murder of 28-year-old Mary "Molly" ...