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

A ninth planet may exist beyond Neptune in the Kuiper Belt, a region populated by icy bodies that orbit the Sun.

Astronomers are investigating the possibility of a hidden ninth planet beyond Neptune, which could explain unusual orbital patterns in the Kuiper Belt.

Located 690 light years away from the Sun, the newest discovered planet is third most dense sub-Saturn class located at the ...

Tiny grains from a distant asteroid are revealing clues to the magnetic forces that shaped the far reaches of the solar ...

Tiny grains from the asteroid Ryugu are helping scientists uncover secrets about how the outer regions of our solar system ...

It would depend on a lot, say our readers, from how big it was to the route it took - but it could have significant ...

But it does open a lot of room for things in the future – especially with NASA and other space agencies planning manned missions to Mars and other planets in our solar system. Josh Hawkins has ...

NARRATOR: Jupiter is the largest planet in our solar system, and its gravitational pull ... I still have that new excitement because you don't know what's going to be happening.

A new milestone has been reached with the detection ... revealing the architecture of exoplanetary systems. Compared to our Solar System — composed of four inner rocky planets and four outer gas ...

Located 690 light years away from the Sun, the newest discovered planet is only the fourth exo-planet located in the ...