Until recently, a small team issued timely guidance on the types of contraception certain high-risk women should use.

The U.S. has one of the world’s most advanced systems to monitor air pollutants. Can it keep up with a changing climate?

The smaller the particles, the more worrying they are. Particulate matter measuring 10 micrometers or less in diameter — a fraction of the width of a human hair — is referred to as PM10, and it is ...

"No More Tears," by Gardiner Harris, is a scathing expose of Johnson & Johnson and its many missteps and transgressions.