TYLER, Texas (KLTV) - Hydrogen sulfide is a gas that naturally occurs in sewers, manure holes, water wells, and oil and gas wells. Dr. Bryan Tuten, a chemistry professor at UT Tyler, says hydrogen ...

An air-purifier maker is asking a judge to blow up San Diego County’s $26.8 million deal for tens of thousands of machines ...

Hydrogen sulfide, a colorless gas that smells like rotten eggs, is produced naturally from decaying matter. This gas is lethal to breathe in, and hydrogen sulfide present in high concentrations can ...

The toxic gas eyed as a possible culprit in the deaths of six dairy workers in Weld County last week is an infrequent but potentially dangerous feature of this type of agricultural work, while experts ...

Volcanic eruptions in Siberia 251 million years ago may have started a cascade of events leading to high hydrogen sulfide levels in the oceans and atmosphere and precipitating the largest mass ...

While most scientists agree that a meteor strike killed the dinosaurs, the cause of the largest mass extinction in Earth’s history, 251 million years ago, is still unknown, according to geologists.

Effective regulation of breathing pattern is essential for many different mammalian processes such as energy production, metabolic regulation and even speech. Researchers have recently discovered that ...

Billions of gallons of sewage have entered San Diego communities through the Tijuana River. Local leaders are speeding up plans to clean up the river and protect public health.