Extended interview: Nvidia CEO Jensen Huang on fears about AI

From the archives: The history of salt, in a pinch

Stories about cemeteries

Extended interview: Charles Spencer on Princess Diana

Illustrating myths: The Lucas Museum of Narrative Art opens

Extended interview: George Lucas and Mellody Hobson

A spectacle of puppetry: Buffalo parade through New York City

Democrat Andy Beshear on pursuing "The Great American Reset"

Nvidia's Jensen Huang on artificial intelligence

Retiring Smithsonian head Lonnie Bunch on protecting history

Passage: Peter Max and Bob Mackie

Nvidia CEO Jensen Huang says there's "0% chance" AI will end the world by 2030

Princess Diana's brother claims Prince Charles seemed "upbeat" after she died

The addiction of online sports gambling: "Like crack in the '80s"

Nature: Utah's Canyonlands National Park

Almanac: September 20

Details emerge on Presley Gerber's rehab death

Superagent Ari Emanuel: Born to fight