Prosecutors added a felony charge of conspiracy to the case. A Napa man accused of possessing explosive materials was ...

If there’s a chemical with a cooler name than “fuming nitric acid,” we can’t think of it. Nearly pure nitric acid is useful stuff, especially if you’re in the business of making rocket ...

Nitrous oxide highs are short-lived, so people may decide to keep inhaling the gas to make the feeling last longer. However, ...

Southport killer Axel Rudakubana is understood to have researched car bombs, detonators and nitric acid as his fascination ...