An artist’s impression of 3I/ATLAS is shown as it passes near the Sun, illuminating one side of the comet. On the side of the ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. SAN DIEGO (FOX 5/KUSI) — The Environmental Protection Agency and state health officials are contesting a recent discovery of ...

SAN DIEGO (FOX 5/KUSI) — The Environmental Protection Agency and state health officials are contesting a recent discovery of hydrogen cyanide in the Tijuana River Valley by local researchers that ...

Add Yahoo as a preferred source to see more of our stories on Google. SAN DIEGO (Border Report) — The County of San Diego is disputing findings by researchers who say they detected dangerous levels of ...

County Board of Supervisors Chairwoman Nora Vargas speaks to members of the media about the CARE Act program at the County Administration Center in downtown on Sept. 27, 2023. / Photo by Ariana ...

Discovery of a second, potentially lethal gas in the Tijuana River Valley where sewage from Mexico routinely spills over the border into south San Diego communities prompted South County school ...

With its striking yellow and black coloration, the cyanide millipede is a vivid reminder that small doesn’t mean harmless. Evolution has led to some truly remarkable defense systems in the animal ...

SAN FRANCISCO — For those delighted by the possibility of alien life, Enceladus, the wintry moon of Saturn, is a gift that just keeps giving. Key compounds that could support alien microbes or help ...

In 2005, NASA's Cassini Saturn orbiter took images of Saturn's moon Enceladus, and discovered geysers blasting particles of water ice into space from fractures near the south pole. The observation led ...

A researcher who has studied the icy world said “the prospects for the development of life are getting better and better on Enceladus.” By Kenneth Chang Scientists have detected a poison among the ...