Scientists have identified the byproduct of a chemical used to disinfect tap water and prevent waterborne illnesses. Researchers urge testing for toxicity.

Scientists have discovered a chemical byproduct in treated drinking water that for years, they couldn’t isolate. More research is now on the horizon because the byproduct shares similarities with other toxic compounds,

A chemical byproduct found in some treated drinking water in the U.S. that remained a mystery for more than 40 years may have finally been identified by scientists. The authors of the study, published Thursday in the journal Science,

Researchers have identified a chemical in certain tap water across the United States as chloronitramide anion. Here's what to know.