Pluto was long considered the ninth planet of the solar system, but changes to the definition of planet got it kicked out of ...

While astronomers continue to search for the mysterious "ninth planet”, a possible giant hidden in the extremities of the ...

Here are some fun facts about the other planet’s moons – from Venus ... Many of the other moons of the solar system claim their names from mythological characters. One of Neptune’s moons ...

Astronomers have found new evidence that a mysterious ninth planet may be hiding at the edge of the solar system - rewriting what we know about the cosmos again. An international team from Taiwan ...

The seventh planet from the sun and the coldest ... The moons of Uranus also have unique names in the solar system, Whereas the normal naming convention is for celestial objects to share monikers ...

Gov. Katie Hobbs signed a bill on Friday designating Pluto — once considered the ninth planet of our solar system and since downgraded to a lesser status — the "official state planet" of Arizona.

Tatooine-Like Planet Outside the Solar System May Orbit Two Failed Stars, Scientists Say NEW YORK (AP) — A new Tatooine-like planet outside the solar system may orbit two failed stars ...

When it comes to planets of the Solar System, Uranus is definitely an oddball. The seventh planet from the Sun is the only plant named after a Greek god (the rest get their names from Roman ...

There, it was decided that in order for an object to be considered a planet in our solar system, it must: Orbit the sun Be massive enough to be mostly spherical Clear the neighborhood around its ...

the biggest planet in our solar system, but with sizzling temperatures. Located only 64 light-years from Earth, HD 189733b is the nearest hot Jupiter that astronomers can study as the planet ...