Nitrogen-powered engines could be the future of clean energy, offering 700x the power of hydrogen. How this breakthrough ...

Alabama has carried out the nation’s fourth nitrogen gas execution, putting a man to death for the killing of a woman who was ...

Demetrius Frazier, 52, was pronounced dead at 6:36 p.m. CST at a south Alabama prison for his murder conviction in the 1991 rape and killing of 41-year-old Pauline Brown. It was the first execution in ...

A federal judge has heard competing testimony over a request to block the nation's fourth execution using nitrogen gas.

ATMORE, Ala. (AP) — Alabama carries out the nation's 4th execution with nitrogen gas on a man convicted of a 1991 murder.

MONTGOMERY, Ala. — Attorneys for an Alabama inmate scheduled to be the fourth person put to death with nitrogen gas on Wednesday asked a federal judge to block the execution, arguing that the first ...

MONTGOMERY, Ala. — The state of Alabama urged a federal judge Tuesday to allow the nation's fourth execution with nitrogen gas to proceed next week, but a doctor who witnessed an earlier ...

Attorneys for an Alabama inmate facing execution by nitrogen gas are asking a federal judge to block the upcoming execution Credit: AP Credit: AP MONTGOMERY, Ala. (AP) — Attorneys for an Alabama ...