In a new frontier for deep brain stimulation, researchers used A.I. to develop individualized algorithms, which helped a skateboarder and other patients with Parkinson’s disease.

A nasal spray can tamp down potentially fatal reactions, a boon to the many patients in crisis who fear using EpiPens.

Vice President Kamala Harris has never commanded a spotlight this big. The party faces potential fractures over the war in Gaza. And Hillary Clinton’s speech will be a reminder of what might have been.

If you’re still hoping to stretch out the last days of summer, there are places in North America that are not too hot, not too crowded and not necessarily that far away.

In recent weeks, the vice president’s message has revolved around progressive patriotism.

One of the nation’s largest coal-fueled electric plants is being replaced with thousands of acres of solar panels and a test of long-duration batteries.

Plus, a hospital system gets into show business.

When Democrats met that year, the violence that erupted between protesters and the police shook the nation. Here are memories of some of the people who lived it.

Harris campaign officials and Democratic leaders have stepped up outreach to Arab and Jewish voters before the event, but large protests are still expected.

On policy, the vice president is drafting off President Biden, essentially cherry-picking the most popular parts of his agenda and betting that a younger messenger can sell them to Americans.

President Volodymyr Zelensky wants to hold Russian territory as leverage in future talks. In Moscow, many doubt the strategy.

Japan’s Seven & i Holdings, which operates 85,000 stores, said it had received a bid from the Canadian convenience store chain Alimentation Couche-Tard.

The Democratic presidential ticket went to the crucial swing state on Sunday to visit areas that are competitive and somewhat more conservative.

An evangelical pastor in Kenya ordered his flock to shun education and medicine and starve their children to death in order to meet Jesus, witnesses in a manslaughter trial said.

“Momala” makes for a charming political biography, but it isn’t powerful enough to counter the racial fears that nonwhite motherhood stokes in the nation.

Georgia Republicans have empowered local election officials to delay certifying the vote.

In a lengthy report released on the first day of the Democratic National Convention, Republicans used circumstantial evidence to accuse the president of corruption tied to his son’s foreign business dealings.

TV shows that are expensively made yet irritating to sit through — for some reason, I can’t get enough of them. Why do so many of us watch things we think are bad?

After the blaze killed 49 migrant workers, a government crackdown focused on building violations — bypassing deeper problems that leave migrants with low wages and unsafe housing across the oil-rich Gulf.

Chris Murphy has been trying to understand why our version of liberalism — emphasizing free markets and consumer choice — feels to many like a dead end.