The controversy endures over Pluto's true status, but the solar system underdog continues to capture hearts across the globe.

Pluto may not be a planet any more, but you still have a chance to see the distant dwarf planet at one of Michigan's ...

The annual event celebrates the discovery of the little planet with a big heart and other scientific advances at Flagstaff, ...

When was Pluto discovered? Pluto was discovered in 1930 by Clyde Tombaugh, an American astronomer at the Lowell Observatory ...

Pluto will mark a birthday of sorts on March 23, 2178. No one is likely to be there to celebrate it, of course. Even if ...

Clyde Tombaugh discovered Pluto in 1930 at Lowell Observatory in Flagstaff. Here's how Pluto won - and lost - its planetary status.

According to a recent YouGov poll, 35% of Americans think Pluto is not a planet. But they are all wrong—kind of. To get to ...

An amateur astronomer discovered Pluto 95 years ago today. The former planet will complete an orbit in another 153 years.

The "Star Trek" legend's only son will discuss his memoir at the annual space-themed event.

Impressed with his work, the Lowell Observatory hired Tombaugh to do manual ... suggested the name Pluto, the god of the underworld. Tombaugh’s newfound fame earned him a scholarship to the ...