Scientists have been on the hunt for a possible ninth planet in our solar system for some time ... could be influencing the ...

Fastest Known Planetary System May Have Been Pushed by Our Galaxy’s Supermassive Black Hole ...

Are there hidden planets in our solar system? New technologies, like the powerful Rubin Observatory, brings us closer to ...

After a decade-long search, some scientists say a growing number of clues point to the existence of a hidden planet in the Kuiper Belt beyond Neptune — and they may soon have the opportunity to find ...

In 2016, scientists Michael Brown and Konstantin Batygin suggested that an unseen Planet Nine could explain the unusual ...

Beyond Neptune lies the Kuiper Belt, a vast region of icy bodies that holds the secrets to the solar system’s formation.

Our solar system consists of Sun and celestial bodies bound to it by gravity, including planets, moons, asteroids, and comets ...

In the time Pluto was found, classified as a planet and reclassified as a dwarf planet, it has not completed one orbit. One ...

Our solar system used to have nine planets. Astronomer Mike Brown ... Sheppard and Trujillo were the first to notice that the orbits of a handful of known trans-Neptunian objects were all ...

A team of astronomers has uncovered an Earth-like planet orbiting a star located 4,000 light years away from the solar system ...

In January 2016, California Institute of Technology (Caltech) astronomers Konstantin Batygin and Mike Brown announced research that provided evidence for a planet about 1.5 times the size of Earth in ...