Elon Musk's artificial intelligence firm, xAI, has acquired X, the social media platform formerly known as Twitter, in an all-stock deal valued at $45...
The British government has announced the return of a 17th-century painting, "Aeneas and his Family Fleeing Burning Troy," looted by the Nazis in 1940...
Dr. Katrina Armstrong, Columbia University's interim president, has stepped down following a contentious battle with the Trump administration over federal funding. The government had...
