A new study has proposed the existence of Planet Y, an alternative Planet Nine candidate that is smaller and closer to Earth ...

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

For almost a decade, astronomers have been searching for a ninth planet in the solar system. Recently, new evidence of ...

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

Astronomers have found new evidence, revealing the existence of an unseen and mysterious planet that could be hidden in the ...

For the first time, astronomers have witnessed the early stages of planet formation around a distant young star, HOPS-315, ...

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

(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 ...

The James Webb Telescope captures the beginning of planetary formation around the young star HOPS-315 for the first time.

A low-density, puffy planet orbiting relatively far from a young star in a nearly perpendicular orbit. What's going on?