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

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

Drugmakers claim that broad state PFAS laws are overly burdensome. But environmental health experts aren’t convinced.

A massive Swedish study examined hormonal birth control risks. But the nuances of such studies get lost on social media.

In "Planning Miracles," Jon Cohen chronicles the efforts of scientists and others to eradicate the threat of pandemics.

An analysis of federal data shows a pronounced decline, despite alarming conditions found at some manufacturers.

It was thought that Aedes aegypti could not survive in the Mountain West. But now, a population is thriving in Colorado.

Ashburn is a largely middle-class, predominately African American, Hispanic, and Latino community on Chicago’s far Southwest Side. The community borders two neighboring suburbs and is known for its ...

In the 1960s, meteorologist Edward Lorenz was running weather simulations on an early computer system when he realized that a small rounding difference led to extremely divergent weather predictions.

In 2006, a new study on antidepressants was making headlines with its promising results: Two-thirds of participants who tried various antidepressants recovered from their depression symptoms within ...