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 ...

An annual event over recent years, the I Heart Pluto Festival in Flagstaff, Arizona, celebrates the history, heritage, and ...

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.

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

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

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 ...

In August 2006, the International Astronomical Union made the controversial, but correct, decision to demote Pluto from its ...

An annual event over recent years, the I Heart Pluto Festival in Flagstaff, Arizona, celebrates the history, heritage, and cutting-edge astronomy at Lowell Observatory. On Feb. 18, 1930 ...