Before the EPA, the US environment was not federally protected. Vintage photos show Los Angeles before regulations limited ...

The Indianapolis metro area, which includes Carmel and Muncie, ranked 11th worst in the country for annual particle pollution ...

“This is the first X-ray ever done in space,” said Amol Karnick, chief executive of KA Imaging ... tissue such as the lungs or the heart, which could be useful for diagnosing pneumonia or cancers. But ...