While our solar system is a fascinating place on its own, exoplanets are even more of a mystery. And one exoplanet in particular is something quite new.

NASA has just made a groundbreaking discovery—a new planet beyond Neptune that wasn’t there before! This mysterious find ...

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

The exoplanet – a planet outside our solar system – has a mass six times greater than that of Earth, and orbits in the ...

Scientists believe that two asteroids might be fragments of long-lost "planetary embryos" from the early solar system.

If you were to perfectly follow the steps in An Idiot's Guide to Making a Solar System, you should eventually find yourself ...

Astronomers at the NASA Goddard Space Flight Center may have discovered a star hurtling through the Milky Way with a planet ...

All of our solar system’s planets are lining up to parade through the night sky at once. This extraordinary celestial event will see the sky scattered with seven visible planets in what is known ...

improving our understanding of planet formation and potentially shedding light on the origins of our own Solar System," says David Cont from the Ludwig Maximilian University of Munich, Germany ...