Siraj’s Planet Y search started about a year ago when he was trying to find out whether the shape of the Kuiper Belt is flat. “The planets of the solar system have slight tilts up and down, but ...

Astronomers are abuzz with the discovery of a rogue planet, 2MASS J05325346+0919037, which is set to pass within 0.05 ...

LONDON — The search for an unknown planet in our solar system has inspired astronomers for more than a century. Now, a recent study suggests a potential new candidate, which the paper's authors have ...

When you look at the solar system, you might notice that the planets' orbits are tilted, and oddities in the protoplanetary ...

A mysterious space object named 2023 KQ14, nicknamed “Ammonite,” challenges theories about the mysterious and possible Planet ...

The simulation of the Solar System that came the closest to the observation was the presence of a small planet, between the ...

(CNN) — The search for an unknown planet in our solar system has inspired astronomers for more than a century. Now, a recent study suggests a potential new candidate, which the paper’s authors have ...

Astronomers have found new evidence, revealing the existence of an unseen and mysterious planet that could be hidden in the solar system. The new research study which is published in the ...

A recent study by Princeton University astronomers suggests the possible existence of a previously undetected planet in our ...