The high-stakes world of artificial intelligence just saw its first major criminal reckoning in a San Francisco courtroom. On ...

Trump and Senate Democrats reached a compromise to fund the government, but it was unclear if it would pass Congress in time to avoid a shutdown.

The Trump administration has targets but no endgame.

The United States and Russia could embark on an unrestrained nuclear arms race for the first time since the Cold War, unless they reach an eleventh-hour deal before their last remaining arms control ...