Low-quality, mass-produced video content is alarming child development experts. Few guardrails are in place to stop it.

In 1775, Washington deployed colonial soldiers who had survived smallpox to retake Boston during a city-wide epidemic.

Like many crime labs in the United States, analysts at the center routinely perform forensic firearms identification, meaning they inspect crime scene evidence — in this instance, the microscopic ...

Despite the initial hype, insect agriculture is facing the economic realities of competing with the traditional meat industry.

In the 20th-century statistics wars, Bayesians were underdogs. Now their methods may help speed treatments to market.

Agencies will have to show a “direct causal link” to “manifest bodily harm,” not just an increased risk of disease.

The administration had cut crucial funding for mRNA-based therapies. The rest of the world might step in and benefit.

In 2010, Sylvia Fogel’s 2-year-old son developed an upper respiratory illness and soon lost his ability to speak, make eye contact, and relate with others. He screamed for long periods of time and ...