Enlarge / Elijah Price, aka "Mr. Glass" (Samuel L. Jackson), Kevin Wendell Crumb, aka "The Horde" (James McAvoy), and David Dunn (Bruce Willis) find themselves thrown together in a mental institution. An evil genius in…

You might not think of giant impact craters as being particularly subtle or in any way capable of hiding from us. If so, you’ll be surprised by the discovery, announced this week, of a 31-kilometer-…