Congenital syphilis has risen significantly in the United States. The Times would like to talk to women who experienced the condition when pregnant and learn how they dealt with it.

New research shows the “upside-down trees” originated in Madagascar and then caught a ride on ocean currents to reach mainland Africa and Australia.

Preliminary numbers show a nearly 4 percent decrease in deaths from opioids, largely fentanyl, but a rise in deaths from meth and cocaine.

Megan Morikawa of the Iberostar Group is applying science — and scale — to eliminate food waste, save coral and collaborate across the travel industry to cut carbon.

The psychologist studies how to recognize emotions and cope with them. She learned the hard way.

The brittle star specimen suggests that the sea creatures have been splitting themselves in two to reproduce for more than 150 million years.