Levels of molybdenum in soil show that hydrogen sulfide gas wiped out nearly half of all marine life 530 million years ago.

Add Yahoo as a preferred source to see more of our stories on Google. In an aerial view, steam rises from fumaroles, or steam vents, situated between two of the five Salton Buttes lava dome volcanoes ...

Scientists discovered that deep-sea vents are tapping hydrogen from buried sediments, reshaping ideas about where ocean ...

It’s just past 9 a.m. on Nov. 25, 2024, when the inaugural public notice goes live. The San Diego County Air Pollution Control District (SDAPCD) is issuing an odor advisory for communities potentially ...

You may not have heard of hydrogen sulfide, but I bet you'd recognize the smell. Hydrogen sulfide is the gas responsible for the rotten-egg odor that you come across near stagnant water and in drains.

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 ...