Conveniently, the word also contained Percival Lowell’s initials. And so on May 1, Lowell Observatory announced that Planet X would be named Pluto. But with its peculiar, tilted orbit and ...

The reason for this bold prediction? In a word, Pluto. Since its discovery by telescope in 1930, Pluto has earned its place ...

Plutocracy, a funny word, seen occasionally in the press, reminds us oldsters of a dog, Pluto, in the Walt Disney movies. It is also the name of what used to ...