Mr. Pierce, the popular actor from shows like “The Wire,” said time is precious. He spends his shopping in Harlem, walking through Central Park and staying up all night listening to jazz.

Hidden deep in an Indonesian cave, a mural older than history tells a story no one expected. Human-animal hybrids, weapons, ...

On display at the Courtauld Gallery in central London for his first UK museum show, Thiebaud’s work is both an “update on the ...