New research shows there is at least a 40% chance of the existence of Planet Nine, but scientists are still looking for definitive proof.

A newly discovered object called 2017 OF201, likely a dwarf planet, travels in an extremely wide elliptical orbit (yellow), a new study suggests. The orbit of the dwarf planets Sedna and Pluto are ...

There could be a ninth planet in our Solar System after all — and no, it’s not Pluto. Instead, it’s the theoretical Planet X, also called Planet Nine, a wide-orbit planet that would circle the Sun ...

Astronomers have indeed discovered a potential new dwarf planet in the outer reaches of our solar system, far beyond Pluto. This object, named 2017 OF201, is estimated to be approximately 700 ...

In a NASA post, titled “Is Planet X real?”, the space agency lays out the research done by Brown and Batygin, summarizing how Planet 9 would behave and appear, if proven real.

Not only would Planet X be too cold to support a huge variety of life, it would also be too far from the sun to supply enough energy for many lifeforms to exist. Under these extreme conditions, ...

Consider the evidence and potential effects of a hypothetical ninth planet lurking in the outer solar system. Klobuchar on Minnesota shooter’s motivation: There’s ‘some through line with ...

With Pluto having been classed as the ninth planet for many years, the hunt was on for Planet X. With the demotion of Pluto in 2006, the idea of Planet Nine was first proposed in 2016 by ...

Search for Planet X - Part 3 Welcome to SolarBalls! Space animation filled with fun, entertaining animations that also help you learn about the solar system, and the universe. If you like space ...

The character was last seen in Guardians of the Galaxy 3 as a part of a new set of Guardians. And he’s all big and Buff Groot. He could certainly have a Planet X MCU movie where we see Groot go ...

According to Brown, Planet X could be the fifth most massive planet in the solar system, similar in composition to icy Neptune and orbits the sun every 10,000 years.