Silicon Valley engineers recently flocked to new technology from a Chinese company, Z.ai, that is almost as good as its American competitors but much cheaper.

A study of chimps, gorillas and other great apes, including human children, sheds light on how laughter has evolved.

Universal health care, taxing the wealthy and opposition to military aid to Israel are among the movement’s key tenets.

After democratic socialists captured two House primaries and several state legislative contests in New York, the group’s leaders mulled how to use their expanding influence.

OpenAI, Anthropic, Amazon and Microsoft have signed on to an effort led by Gina Raimondo, a former commerce secretary.

Gov. Kathy Hochul has worked with Mayor Zohran Mamdani on child care and second-home taxes. But the triumphs of democratic socialists on Primary Day could complicate her vision.

The city had accused Jasmine Ray of fiscal mismanagement. She said that she had been unfairly targeted because of her ties to the former mayor.

Industry leaders had worried that innovations in chip miniaturization were no longer possible.

One that actually brings men and women together.

Delays and rising prices have made the promise of space travel for ordinary people more elusive than ever. Will that ever change?