The chemical reactions of hydrogen combustion occur because certain atoms and molecules are very reactive—they are unstable on their own and quickly combine with other molecules or atoms. Adding the ...

Add Yahoo as a preferred source to see more of our stories on Google. It's almost time to return to Pandora. The first press screenings of Avatar: Fire and Ash were held on Monday night, and with them ...

A chemical reaction caught fire Wednesday during a lab experiment at the University of Maryland, College Park, campus police said.Officials evacuated the Chemical and Nuclear Engineering Building. The ...

A fire caused a hazardous materials response in Yonkers on Tuesday afternoon. Fire officials said it appears to have been caused by human error -- a forklift crashing ...