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About 200 people, along with prominent members of the Kennedy family, crowded into a Catholic church on Cape Cod on Monday for the funeral of Ethel Kennedy, the widow of Senator Robert F. Kennedy and a powerful figure in the family’s political dynasty. Mrs. Kennedy, whose husband was assassinated in …

By Alan Burdick and Katrina Miller We are journalists on The Times’s Science desk. Technology observers have grown increasingly vocal in recent years about the threat that artificial intelligence poses to the human variety. A.I. models can write and talk like us, draw and paint like us, crush us at …

SpaceX pulled off a feat of technical wizardry on Sunday, not only flying a 233-foot rocket booster back to its launch site, but also catching it out of the air with two giant mechanical arms. It occurred during the fifth test flight of the Starship rocket and was a huge …