On the 95th anniversary of its discovery, Pluto remains one of the most beloved and enigmatic worlds in our solar system, ...

On February 18, 1930, the American astronomer Clyde Tombaugh discovered Pluto! Before he discovered Pluto, another astronomer named Percival Lowell had spent over a decade trying to find it. He had ...

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

“New Horizons shattered a major paradigm of planetary science,” says Alan Stern, the mission’s principal investigator. “Pluto ...

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 ...

Feb. 18 marks the 95th anniversary of the discovery of our outermost planet-not-planet. Here's what to know about the short ...

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

Pluto was discovered in 1930 by American astronomer, Clyde Tombaugh, the Lowell Observatory said. Here's a look at Pluto's history. Pluto was discovered in 1930 by Clyde Tombaugh, an American ...

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

Pluto, with its heart-shaped glacier, as captured by the New Horizons spacecraftJPL/NASA Pluto will mark a birthday of sorts on March 23, 2178. No one is likely to be there to celebrate it, of course.