Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's ...

A fascinating glimpse into how a solar system like our own is born has been revealed with the detection of planet-forming ...

Science Beyond the Planets: The Quirky Underdogs of the Solar System From centaurs to icy moons, our host star is orbited by an array of objects with bizarre features.

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 that has long been ...

Original image has been replaced. Credit: Mashable Jupiter is the largest planet in our solar system, and it might also be the oldest.

This far-flung orbit may be the result of an encounter with a giant planet, which ejected the candidate dwarf planet out of the solar system, say the researchers.

Last month, during its 54th flyby of the largest planet in the Solar System, Juno captured a view of turbulent storms on the gas giant's surface as it flew about 7,700 km above.

Is there a possible ninth planet in our solar system? Researchers say they may have found a candidate (Credit: ESO/Tom Ruen/nagualdesign) But, the announcement has been met with some skepticism.

Indeed, other planets, dwarf planets and moons in our solar system do have seasonal cycles — and they can look wildly different from the ones we experience on Earth, experts told Live Science.

Imagining what it would be like to visit another planet has been a staple of science fiction for decades. Whether it's here in the Solar System or out somewhere else in the universe, other worlds ...