Add Yahoo as a preferred source to see more of our stories on Google. It’s one thing to sketch dragons on the blank edges of a map, but it’s another thing entirely not to even know where the edge is.

Cosmologists have an embarrassing problem: we don’t know what shape the universe is. The cosmos has three possible geometries—positively curved like a sphere, flat like an infinite plane or negatively ...

Hampton Roads is not an abstract place. It is home to the world’s largest naval base, major ports and overlapping layers of military, law enforcement and civil authority. Here, more than in many ...