The oceans soured into a deadly sulfuric-acid stew after the huge asteroid impact that wiped out the dinosaurs, a new study suggests. Eighty percent of the planet's species died off at the end of the ...

Researchers discovered that sulfur trioxide can form products other than sulfuric acid in the atmosphere by interacting with organic and inorganic acids. These previously uncharacterized acid sulfuric ...

The mineral cryptomelane holds promise to absorb the toxic sulfur oxides that can degrade the emission control systems on diesel vehicles. Pacific Northwest National Laboratory researchers have ...

Officials at General Chemical said Thursday that an unspecified incident at the company's sulfuric acid plant in Richmond at about 7:40 p.m. resulted in a release of a chemical plume that drifted over ...