What does spilling salt have to do with Jesus? What does not opening umbrellas indoors have to do with the ancient Egyptians?

Why littering in China has become such an astonishing problem, and how the government now plans to use revolutionary measures to combat it.

Long before RuPaul, famous drag queens filled both American and European stages. But sadly, though their influence lingers, many of them are now forgotten.

How eL Seed, a celebrated French-Tunisian calligraffiti artist, is spreading peace and hope, one blank wall and one can of spray paint at a time.

Clyde Tombaugh's legacy hinges on his discovery of Pluto. But both before and after that moment, his story is extraordinary. Meet the man behind Pluto.