NASA has begun another practice launch countdown for its first moonshot in decades with astronauts. The first test was halted two weeks ago by dangerous hydrogen fuel leaks, bumping the flight from ...

It is Carnival season in New Orleans. That means gazillions of plastic green, gold and purple beads are being tossed to crowds.

A mystery novel, a history book, and a fantasy epic may have little in common in plot or style. But count the words inside them and a strange regularity appears: many new words show up early, then ...