Pluto may have lost its status as a full-fledged planet in 2006, but that doesn't mean it's a joke of a world this April Fools' Day and the folks behind Pluto TV want to make that clear.

Pluto was stripped of its planetary status yesterday in a controversial decision made by the International Astronomical Union that has raised mixed reactions among the UA scientific community ...

If Pluto were to keep its planetary status, those dwarf planets would also need to be classified planets. While astronomers continue to debate this new definition, the public has come together to ...

In a stunning reversal of fortune, it now seems likely that Pluto will lose its title of planet. Scientists meeting in Prague were presented with a new definition of the word "planet" last week ...

A single day on Pluto is as long as 6.9 Earth days. Tomorrow, Feb. 18 is Pluto Day. You may ask yourself why Pluto has its own day since it is no longer considered a planet of our solar system.

What’s in a name? For Pluto TV, it’s everything. Next Monday, April 1, the free streaming service from Paramount, will be staging a rally to push for its namesake’s planetary status to be ...

It orbits Pluto at a distance of just 12,200 miles (19,640 kilometers) – for context our Moon is 20 times farther away from Earth. Pluto and Charon are often referred to as a ‘double planet’ ...

Pluto has never been much of a planet — small, wired orbit, not much atmosphere — and questions about its status have been raised periodically since its discovery 76 years ...

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

Arizona Governor Katie Hobbs signed a law making Pluto the state's official planet. That's even though an international group of scientists stripped Pluto of its planetary status back in 2006 ...

“Although the debate within the planetary community about Pluto’s status is serious, the Top 10 Lists on our website do not have to be,” said Bruce Betts, The Planetary Society’s Director ...

Madeleine Brand talks with Ira Flatow, host of NPR's Talk of the Nation Science Friday, about the discovery and how it's fueled renewed controversy over Pluto's status as a planet.