In Pamplona, where the bulls run, a scientist studies the physics of crowds.

Melissa is forecast to make landfall on the island of Jamaica Tuesday, with up to 30 inches of rain and a life-threatening storm surge. Category 5 is the highest on the Saffir-Simpson scale.

When Eric Schwartz was 15, his mother died. The first day back at school after the loss was difficult, but one teacher's kindness changed his experience of the day and the rest of his life.

Family size around the world is dropping. That choice by couples is triggering a population shift that's sending shock waves through economies.

Social media can push us to the dark side, with negative content. A new study finds watching inspiring videos for just 3 minutes a day is on par with meditation for boosting mood and reducing stress.

President Milei won in key districts in an election widely seen as a referendum on his past two years in office. Trump had appeared to condition billions of dollars in backing on a good showing for Milei.

Judges will soon take the bench across 16 states, the Justice Department said. These include courts that saw the biggest losses of judges this year.

California wildlife officials have been working to mitigate the impact of the state's rebounding wolf population on its ranchers. The Northern California wolves that were euthanized had become dependent on cattle for food.

China's top trade negotiator, Li Chenggang, told reporters the two had reached a "preliminary consensus," while Trump's treasury secretary, Scott Bessent, said there was "a very successful framework."

Young and healthy people who get Affordable Care Act health insurance are thinking about dropping coverage next year, as the government remains shutdown over health care tax credits.

Young and healthy people who get Affordable Care Act health insurance are thinking about dropping coverage next year, as the government remains shutdown over health care tax credits.

A good siesta can offer significant mental and physical health benefits. Here's how to take a nap that won't affect your nighttime sleep — and will leave you feeling energized.