Earth's rocky layers are mysteriously low in nitrogen compared with carbon and argon. A scientific team explored our planet's molten youth using advanced quantum mechanical simulations, revealing ...

Death row inmate Jessie Hoffman's execution marks the first time Louisiana has used the method and is the state's first execution in 15 years.

Louisiana is scheduled to use nitrogen gas in an execution for the first time tonight. Here's what to know ahead of the expected execution of Jessie Hoffman, Jr., age 46. Louisiana state law ...

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

Though a judge blocked the execution last week over concerns about the constitutionality of the nitrogen gas method, the ruling was quickly overturned on appeal. Another judge denied him on Tuesday.

People in the area were admitted to a local hospital after they complained of breathing problems, heaviness in chest and vomiting ...

Arkansas Gov. Sarah Huckabee Sanders has signed legislation allowing the state to carry out executions using nitrogen gas.

On Tuesday the state did just that, carrying out its first execution since 2010. It used nitrogen gas, a method that was first used by Alabama last year and that was legalized by Louisiana ...

Louisiana used nitrogen gas to put Jessie Hoffman Jr., 46, to death Tuesday evening in the state's first execution in 15 years. Nitrogen gas has been used just four other times to execute a person ...

Three people died and over 50 others fell sick as toxic gas leaked from a tanker parked at a chemical factory in Beawar ...