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

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

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 ...

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 ...

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 ...

February 18th has been a significant date throughout history, marking a variety of events that have shaped the world. In a ...

On today’s date 95 years ago, everyone’s favorite not-quite-a-planet, Pluto, was discovered by astronomer Clyde W. Tombaugh ...

This love mark is known as Tombaugh Regio, after Pluto’s discoverer Clyde Tombaugh, and it immediately jumped out to ...

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

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

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

On Feb. 18, 1979, snow fell in the Sahara Desert in southern Algeria for the first known time. It fell a second time in 2016 ...