In the wake of xAI losing two of its co-founders and other prominent employees, Elon Musk held an all-hands meeting at his his AI company, which recently merged with SpaceX. And in an unusual move, ...

Think you know your Dyson spheres from your dark blobs? This cosmic crossword dives into the strangest, most mind-bending structures ever spotted — or imagined — in the universe. When you purchase ...