Pluto will mark a birthday of sorts on March 23 ... Tombaugh captured two images of each spot of sky on photographic plates. The second image of every pair was typically taken several days after the ...

Everybody loves a parade. Most people who live in chillier climes aren’t exactly rejoicing when February rolls around — but ...

On the 95th anniversary of its discovery, Pluto remains one of the most beloved and enigmatic worlds in our solar system, whether you call it a planet or not.

NASA's New Horizons Pluto probe is gearing up to cross the "termination shock," an exotic boundary in the outer solar system, as early as 2027.

He died in 1997 at age 90. Tombaugh's photos that led to the discovery of Planet X. Pluto never really fit in with the other planets in the solar system. Its orbit was out of plane with the other ...

Pluto was discovered in 1930 by Clyde Tombaugh ... The machine involved taking pairs of photos of the evening sky several nights apart and then using a special viewer to rapidly switch between ...

The controversy endures over Pluto's true status, but the solar system underdog continues to capture hearts across the globe. Clyde Tombaugh didn't set out to discover Pluto when he sent his ...

It wasn’t until 1930, about 15 years after Lowell’s death, that another Lowell Observatory astronomer, Clyde Tombaugh, would find Pluto. "Interestingly, once the planet had been found, they went back ...

The Pluto TV March 2025 lineup celebrates Women's History Month and puts the spotlight on its On-Demand section.