The maintenance work was supposed to be done on a different, isolated piping segment about 1.5m from the flange that was ...

The experiment involved custom-building a small chamber that simulated hot spring environments on early Earth.

Seaweed Sedan Mountains of brown, sludgy sargassum, an invasive species of seaweed, have rendered popular beaches in the ...

The U.S. Chemical Safety Board (CSB) said on Wednesday that 27,000 pounds (13.5 tons) of deadly hydrogen sulfide gas was ...

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

In their quest to find new species, researchers trudge through muddy swamps, climb towering mountains, and in one case, ...

A new website by the county's Air Pollution Control District updates hourly with data collected by its two air quality ...

Air quality officials detected a spike in a toxic gas in the South Bay Monday evening stemming from sewage pollution from ...

The stench, described as a "rotten egg" smell caused by hydrogen sulfide, is not just ruining Thanksgiving plans — it’s also ...