As portfolios go, the one put forward by John Arnold, the billionaire energy trader turned philanthropist, doesn’t get simpler. In a post on the social-media service X, Arnold showed that a portfolio ...

Following Monday's loss to the Atlanta Braves, A's manager Mark Kotsay was asked if there were any adjustments that he'd be making to the lineup, even though it's still plenty early in the season. The ...

Weighing up arguments, drawing logical conclusions and deriving a clearly correct answer—such tasks have so far presented ...

John Arnold says he's solved the stock market. As portfolios go, the one put forward by John Arnold, the billionaire energy trader turned philanthropist, doesn't get simpler. In a post on the social ...

Bitcoin’s creator has hidden behind the pseudonym Satoshi Nakamoto for 17 years. But a trail of clues buried deep in crypto lore led to a 55-year-old computer scientist named Adam Back.

Once upon a time, there was a river whose path defied the basic principles of the flow of liquids: It cut through a mountain, even though it could have continued on the plains, and in certain places, ...