In Greek mythology, the corresponding god is Hades. The planet's existence had first been suspected more than 30 years before by American astronomer Percival Lowell, whose study of the movements ...

Have you ever wondered how Earth got its name? The other nearby planets were all named for Roman gods and goddesses, which ...

In Greek mythology, the corresponding god is Hades. The planet's existence had first been suspected more than 30 years before by American astronomer Percival Lowell, whose study of the movements ...