The federal government announced a new approach to regulating pharmaceutical ads. Consumers may not see a difference.

Millions of women have pre-menstrual dysphoric disorder, or PMDD. But diagnoses and treatments vary considerably.

The largest herds of caribou in the world make their homes here. Polar bears give birth to cubs in dens dug into this soil, some of them more than 200 years old. And birds like the Arctic tern fly ...

Opinion: Misinformation Is Harming Organ Donation By Jedediah Lewis, Hedi Aguiar, and Adam Schiavi 10.23.2025 Learn More ...

Oren Harman's "Metamorphosis" explores the minutiae of biological change and the mechanics of how life shifts forms.