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.

Just EAST of downtown Albuquerque, in the basement of a blocky beige University of New Mexico building, sits a machine that looks like a sci-fi piece of industrial equipment. Metal cylinders, painted ...

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

Jeffrey Kluger's "Gemini" argues that the program was more milestone than stepping stone in the 1960s space race.

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

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.

Daniel P. Johnson, a geographer at Indiana University at Indianapolis, works with a team of researchers who spend a lot of time catching blowflies, dissecting their iridescent blue-green abdomens, and ...

In the beginning, the Big Bang happened, sending everything in the universe expanding outward and apart, from a dense hot point. Since then, all that matter and energy has continued to move outward, ...