Some of the universe’s densest objects can twist, stretch, and resonate in ways that challenge even the most seasoned physicists. Neutron stars, the remnants of massive stars that have exploded as ...

AI-powered digital assistants can do many complex tasks on their own. But who takes responsibility when they cause harm?

For decades, the foreign policy debate in Washington has been shaped by the search for a central antagonist — a rival or coalition capable of challenging the global influence of the United States.

That’s what happens at Seaport Grille in Gloucester, Massachusetts, where the seafood is so fresh it practically swam to your plate, and the harbor views are so stunning you’ll forget to check your ...