The EPA's Office of Research and Development has more than 1,500 employees, including scientists and researchers, dispersed across the U.S.

The Environmental Protection Agency said Friday it is eliminating its research and development arm and reducing agency staff ...

By emphasizing scientific uncertainty above other values, political appointees can block any regulatory action they want to.

It’s still unclear how deadly PFAS molecules are, or aren’t, but scientists, and tap water consumers, are eager to find out.

Hazardous "forever chemicals" contaminate drinking water, soil and food worldwide. Who is responsible for their contamination?