Oxford researchers have unearthed a cosmic surprise showing that the hydrogen needed for water was embedded in the very rocks ...

A breakthrough by researchers at The University of Manchester sheds light on one of nature's most elusive forces, with ...

Bacteria color the water at a depth of 30 to 36 feet in Sawmill Sink on Abaco. Here and in a colorless layer below, poisonous hydrogen sulfide gas is present. Divers move through it with all ...

Bergman: Stalactites can only form because water is dripping down stone ... The culprit was a thick layer of toxic hydrogen sulfide spanning the width of the entire sinkhole like a floating ...