Have you ever wondered what the world would be like if everyone suddenly disappeared? What would happen to all our stuff? What would happen to our houses, our schools, our neighborhoods, our cities?

We can remember the faces of famous historical figures from school textbooks. But sometimes we forget that behind the great names were ordinary people. Today, thanks to AI, we have the opportunity to ...

In what will likely be his most consequential act as NASA’s interim leader, Sean Duffy said last month that the space agency was “opening up” its competition to develop a lunar lander that will put ...