Everyone's favorite dwarf planet, Pluto, was discovered just 95 years ago. Here's the story of how the once-ninth planet was ...

The relative quantities of volatile gases like methane and ethane can reveal key details about distant Kuiper Belt objects.

The world of Sailor Moon does not just relate to our own solar system, but the many unknown planets from the original story ...

The two exoplanets, or planets outside of our solar system, orbit a star called TOI-1453, which is slightly cooler and ...

A distant exoplanet discovered, named Enaiposha, is unlike anything found in our own solar system, similar to a "super-Venus" ...

Gonggong is a dwarf planet and a member of the scattered disc beyond Neptune. As of 2019, its distance from the Sun is 88 AU, and it is the sixth-farthest known Solar System object.

Astronomers have confirmed the existence of four planets orbiting a star less than 6 light-years away with help from some of ...

The IAU also estimates that there could be "more than 100" extra dwarf planets waiting to be found in the outer solar system, all of which could have moons. "Just like the giant planet satellites ...

The findings provide strong evidence that four giant exoplanets 130 light-years from Earth formed much like Jupiter and ...

Mar. 17, 2025 — The James Webb Space Telescope has captured its first direct images of carbon dioxide in a planet outside the solar system in HR 8799, a multiplanet system 130 light-years away ...

This is particularly puzzling, as a vast majority of meteorites can be traced to some well-known parent body—whether that be ...