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

In a solar system 100 light years away, six planets are locked into a precise dance. The amount of time it takes each one to orbit the system’s sun forms a neat ratio with the orbits of ...

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 ...

In 1781, German-born British astronomer William Herschel made Uranus the first planet discovered with the aid of a telescope.

After a decade-long search, some scientists say a growing number of clues point to the existence of a hidden planet in the ...

“We predict the existence of an Earth-like planet and several TNOs on peculiar orbits in the outer solar system,” write the authors, Patryk Sofia Lykawka of Kindai University, Japan and ...

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

The planets in the Solar System are all different but we can divide ... While planets and asteroids fly around the Sun in flat circular or oval orbits, the Oort Cloud is more like a sphere ...

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

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

By probing chemical processes observed in the Earth's hot mantle, Cornell scientists have started developing a library of ...