International astronomers have for the first time witnessed the birth of a planetary system beyond Earth's sun that could one ...

Aliens are visiting our solar system. Not little green men, sadly, but natural alien objects—cosmic bodies such as comets and ...

Scientists have spotted a mysterious object flying through our Solar System. A new paper suggests it might be an alien ...

A tiny meteorite is rewriting what scientists thought they knew about the origins of our solar system.New evidence found in ...

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

Comet 3I/ATLAS was first identified by the Asteroid Terrestrial-impact Last Alert System (ATLAS), a global network of four ...

Astronomers witness first moments of planet formation as rock grains crystallize around distant star HOPS-315.

A newly discovered object, dubbed A11pl3Z, appears to be moving too fast and straight to have originated in the solar system.

Around 40 light-years away, seven Earth-sized planets have been spotted orbiting closely around a small, ultra-cool star. It’s one of the largest solar systems that’s ever been discovered ...

Astronomers using the Subaru Telescope have discovered a strange new body in a weird orbit at the edge of the solar system, ...

So, while Earth will eventually leave the solar system one way or another, it's not something we will have to worry about for a few billion years yet. Probably. Originally published on Live Science.

"It could represent some of the oldest and most pristine water ever observed, formed in another planetary system and ...