The sun is governed by a strict rhythm. The magnetic activity of the sun displays a cyclic variation, reaching a maximum ...

Vargas floated groups of migrants across the informal border crossing between Guatemala and Mexico on a makeshift raft made from wooden boards lashed to fat inner tubes. He raked in more than $100 a ...

Believe it or not, highway numbers actually make sense. Here's the logic behind odd and even routes, and why the system isn't ...