So why do so many life-forms breathe oxygen? There are probably thousands of kinds of metabolisms, or chemical processes that ...

Skoltech researchers have theoretically investigated the wide range of molecules that oxygen and carbon atoms can form in ...

options contracts tied to more than $4.5 trillion in stocks will expire during the latest quarterly “triple-witching” event. Calculations to determine the notional value of these contracts can ...

After fielding calls from U.S. President Donald Trump this week, Ukrainian President Volodymyr Zelensky and Russian President Vladimir Putin both signaled their willingness to sign onto an ...

To help find solutions to the planet's climate crisis, MIT Associate Professor Daniel Suess is looking to Earth's ancient ...

ANGOLA, La. — Louisiana has carried out its first nitrogen gas execution on a man convicted of a killing decades ago, his lawyer says. The U.S. Supreme Court rejected a last-ditch effort to ...

ITV News Anglia's Rosie Dowsing reports from Luton Crown Court following the sentencing of "highly dangerous" triple killer Nicholas Prosper. A teenage triple killer who murdered his family and ...

Louisiana on Tuesday executed a death row inmate using nitrogen gas for the first time in state history and only the fifth time in U.S. history. Death row inmate Jessie Hoffman's execution is the ...

Nitrogen gas had only been used in death row executions four times before Tuesday, all in Alabama. Last year, the method was used to execute Carey Dale Grayson for the killing of Vickie DeBlieux ...

The method of using lethal gas to carry out an execution has recently shifted from cyanide to nitrogen. Throughout history, the states have used five different execution methods: lethal ...

ANGOLA, La. (AP) — Louisiana used nitrogen gas to put a man to death Tuesday evening for a killing decades ago, marking the first time the state has used the method as it resumed executions after a 15 ...

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 ...