(Correction: An earlier version of this story misstated how far Pluto is from the sun. The correct number is 3.7 billion miles.) What was discovered in Flagstaff, Arizona, and killed off in Prague?

TV Answer Man, I saw your article on the free sports channels on Sling TV. How about Pluto TV? Do they have as many and are they as good? — Jamal, Sacramento. Jamal, you’re right. The TV ...

Pluto, discovered in 1930, was once considered the ninth planet in our solar system. In 2006, the International Astronomical Union reclassified Pluto as a dwarf planet because it doesn't meet all ...