Former EPA scientists who responded to emergencies are now in the private sector. What does that mean for future crises?

Longstanding regulatory and testing gaps have historically been filled by third-party groups with questionable methods.

As misinformation about women’s health spreads faster than ever, doctors say new research on the risks of hormonal birth control underscores the challenge of communicating nuance in the social media ...

Hidden Guests” explores how the emerging field of microchimerism is upending medicine, genetics, and our sense of self.