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 ...

Neglected oil and gas wells are coming back to life in West Texas, harming the environment and confounding Texas regulators.

When that water rises up during an overturn and comes into contact with the air, it turns milky and gives off the rotten-egg ...

An odor advisory was was issued Monday weeks after the San Diego County Air Pollution Control District unveiled their new ...

Water and the bad smelling molecule hydrogen sulfide do not seem to have a lot in common at first sight. However, when investing a little energy, some differences disappear. The experimental ...