According to Dr. Grundy, Pluto is a planet. "I use the word 'planet' to refer to it, and most of the planetary science community does too," Grund ...

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

For decades, Pluto was celebrated as the ninth planet of our solar system. However, in 2006, the International Astronomical Union (IAU) redefined what constitutes a planet, leading to Pluto’s ...

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 ...

Pluto in Aquarius 2025: read on to learn more about what the planet of death in the sign of ... look to the house in your birth chart ruled by Aquarius. If you have your birth date, time, and ...

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 ...

And today, over 12 years later, people still have strong opinions whenever you ask: Should Pluto be a planet again? - I'm not really sure that I have an opinion of whether or not Pluto should be a ...

An curved arrow pointing right. Former planet Pluto may have been miscategorized yet again. A recent analysis of its atmosphere showed that it may be something we've never seen before — a comet ...

In August 2006, the International Astronomical Union made the controversial, but correct, decision to demote Pluto from its status as the ninth planet in our Solar System. From that day forward ...