Researchers examine how growth and learning are subtly shaped among children whose mothers had COVID while pregnant.

A New York Times health reporter explains what clinical trials are, why they are important and how they can help inform us.

Back in the 1800s, obesity was almost nonexistent in the United States. Over the last century, it's become common here and in other industrialized nations, though it remains rare among people who live ...

Obesity is uncommon among Hadza hunter-gatherers in Tanzania, Tsimane forager-farmers in Bolivia, Tuvan herder-farmers in Siberia, and other people in less-developed nations. But it’s widespread among ...

Scientists warn tiny meteoroids constantly bombard the Moon, threatening future bases. Shielding and careful site selection ...

A new ChatGPT feature aims to turn the popular generative artificial-intelligence app from an answer engine into a personal tutor. OpenAI, the research laboratory that created ChatGPT, on July 29, ...

If you've had two children of the same sex, you're more likely to have a third one of the same sex, according to a new study Getty A new study challenges the long-held belief that a baby’s sex is ...

For decades, common wisdom and public health messaging have assumed that people in highly developed nations, like the United States, are relatively sedentary and burn far fewer daily calories than ...