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

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

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 ...

(WHTM) – When you look into the night sky, you’ll see planes flying by, stars twinkling, and sometimes you’ll see planets. Mercury has 88 days in a year and is a terrestrial planet. The size of ...

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

New research from Rice University suggests that the giant planet Jupiter reshaped the early solar system in dramatic ways, ...

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

There may be another world lurking between the orbital lines of our solar system. Astronomers in Japan have published their theory of an “Earth-like planet,” dubbed Planet Nine, that’s hiding in plain ...

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

For over a century, researchers have been puzzled by strange gravitational forces seemingly pulling on the orbits of Neptune and Uranus in the distant reaches of our solar system. While some have ...

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

Astronomers have spotted a free-floating ‘rogue’ planet, named Cha 1107-7626, that is going through a massive growth spurt, ...