Hoffman was pronounced dead at 6:50 p.m. after a "flawless" execution, according to Gary Westcott, secretary of the ...

Louisiana puts man to death in state's first nitrogen gas executionLouisiana used nitrogen gas to put a man to death Tuesday ...

The term greenhouse gas often brings carbon dioxide (CO2) to mind, and rightly so, as it is a key contributor to rising ...

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

Sanders signed the law hours before Louisiana executed its first inmate with the nitrogen gas method. Arkansas is now the ...

Attorneys for a Louisiana man are hoping for a last-minute court ruling to halt the state’s first execution by nitrogen gas.

Louisiana is preparing this week to execute a man by nitrogen gas, the first execution in the state in 15 years.

We may be starting to get a grasp on what kick-started life on Earth – and it could help us search for it on other planets ...

Exciting agricultural breakthroughs could reduce fertiliser use and fight crop diseases sustainably, but it's still a few years from reality.

Guinness is easily the most popular Irish stout on the market, but it doesn't exist in a vacuum. Here are five other stouts ...