Growing up, I was taught that there were nine planets in the solar system. That all changed in 2006, when the International Astronomical Union voted to demote Pluto's status to that of dwarf planet.

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

Known as Planet Nine or Planet X, it is a hypothetical planet that has long been rumoured to exist in the outer solar system. Although "several claims to have found an extra planet have been made ...

The idea regarding the possible existence of a ninth planet, called Planet Nine/Planet X, in the solar system started with Caltech professors Mike Brown and Konstantin Batygin looking far out ...

In 2006, the International Astronomical Union reclassified it as a ‘dwarf planet’, and our Solar System dropped from having nine planets to eight.

Planet Nine, a massive icy world, may be lurking at the outer edge of our solar system, awaiting discovery by advanced telescopes. "It's really difficult to explain the solar system without Planet ...

Sun is the strongest planet among all the nine planets and without Sun, we can not even expect life as it provides the light, energy, power and people are able to survive because of Sun.