The Trump administration is authorizing a major gas facility to export the fuel abroad — clearing a major hurdle in getting ...

Doug Burgum admires the conservation legacy of former President Teddy Roosevelt. What that means for national monuments ...

The measure signed into law by the Republican governor has been promoted by supporters as a way to carry out executions for ...

Arkansas Governor Sarah Huckabee Sanders signed multiple bills, including one allowing nitrogen gas executions, into law on ...

Environmental advocates say loosening mercury pollution restrictions and requirements to slash carbon emissions at power ...

In California, where zero-emission vehicles accounted for about a quarter of car sales last year, legislative analysts ...

A convicted murderer and Louisiana death row inmate had his appeal denied hours before he is set to be executed by nitrogen gas, a method never used in the state before.

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

A prosecutor told jurors Jessie Hoffman had "ice water in his veins," but what's colder than keeping a man in a cage for ...

Louisiana executed a man convicted of murder with nitrogen gas on Tuesday evening, capping a raging legal battle that ended ...

For the first time in almost three years, Arizona will carry out an execution. Here's what to know about the inmate who is ...