The state’s important Senate primary just became a head-to-head battle between Abdul El-Sayed, an outspoken left-wing candidate, and Haley Stevens, a moderate backed by party leaders.

A man sent a scathing note to an immigration official after two demonstrators were killed. A lawsuit says agents who came to his house were trying to intimidate him.

“Japanese Cherry Blossom” has brought in $1.5 billion over the last 20 years. Can the company’s close-knit network of suppliers come up with the next big thing and improve sales?

In 1776, Cherokee leaders looked for ways to navigate a foreboding future. Nanyehi, a.k.a. Nancy Ward, is venerated and reviled for her choice.

Under the test-blind policy, more students are thrown into classes for which they are unprepared.

The Chinese company’s models have won over developers worldwide, but they are open source — so they can be used and modified freely.

U.S. companies complain that competitors in China are unfairly copying their A.I. systems using a technique that has been around for years.

It is continent’s third spell of scorching weather since May. Europe is the world’s fastest-warming continent.

The C.D.C.’s tobacco control office has been shut for more than a year. After its most prominent antismoking campaign went off the air, calls to 1-800-QUIT-NOW lines have plummeted.

Over the years, I have moved toward the way of being Jewish that my father rejected.

Ukraine has changed how militaries use Patriot systems. But recent attacks prove that clever adaptations cannot overcome a shortage of interceptors.

As President Trump cools on the alliance, its members see Turkey’s large military and vibrant defense sector as assets.

The makers of nicotine pouches are building new plants and expanding to meet demand. While influencers claim health benefits, experts warn the products can be highly addictive.

Popular communication methods for nonspeaking autistic people have ignited a fierce debate over what counts as evidence of hidden cognitive abilities.