Neanderthals 400,000 years ago were striking flints to make fires, researchers have found.

It’s not just humans who suffer from leading one another astray. So do fish, flies and even bacteria.

© Rob Stewart/Image Bank Film, via Getty Images

Scientists are learning how the brain knows what’s happening throughout the body, and how that process might go awry in some psychiatric disorders.

© Mirko Ilić

Instead of requiring personalized gene edits for each patient, the new approach could create a standardized method to use for many diseases.

© Jessica Rinaldi/The Boston Globe, via Getty Images

“The laws of inheritance are quite unknown,” Charles Darwin acknowledged in 1859. The discovery of DNA’s shape altered how we conceived of life itself.

© Science Source

Lab-grown “reductionist replicas” of the human brain are helping scientists understand fetal development and cognitive disorders, including autism. But ethical questions loom.

© Mike Kai Chen for The New York Times