Is a sun a star or a planet? While science now agrees the sun is a star, new telescopes may soon challenge how we define ...

To some people, Pluto's demotion from planet to dwarf planet status in 2006 was one of the most devastating astronomical losses since the death of Spock. But a new study suggests Pluto should (also ...

In 2006, the International Astronomical Union (IAU) voted on the definition of a planet. Famously, Pluto no longer met the criteria and was demoted to a dwarf planet. Things have been a bit of a mess ...

Hey, remember Pluto? Of course you do! When most of us were brought up in school we learned that there were nine known planets in the Solar System, and Pluto was the one that hung out on the outskirts ...

Will Pluto have the last laugh? A group of NASA scientists hopes so. A group of members of the New Horizons mission to Pluto are making the case to redefine what constitutes as a planet to be more ...

Truths will be uncovered and transformation will take place, so buckle up for a wild, eye-opening ride Getty Secrets don't stay buried forever, and Pluto retrograde is here to dig them up! On May 4, ...

Every planet takes its turn going retrograde, and since Sunday, May 4, Pluto, the planet of transformation, has moved backward through the zodiac, presenting a chance to go inward and find new ways to ...

Astrological events like Mercury retrogrades, lunations, and zodiac sign seasons tend to occur frequently. But because Pluto is so far away from the sun, it moves through the zodiac much more slowly.

If you’re someone who is still upset about Pluto’s planetary demotion from more than a decade ago, then an upcoming debate about the definition of the word “planet” may be of interest to you. One of ...