Bret Taylor, the chairman of OpenAI’s board, said the artificial intelligence company was “not for sale.” Mr. Musk is separately raising money for his A.I. start-up, xAI. By Cade MetzMike ...

Paddling in the Strait of Magellan, Adrián Simancas was caught in a humpback’s lunge. “I realized that I was in something’s mouth and I had been eaten,” he said. By John Bartlett and ...