The LHS 1903 system defies expectations with a rocky outer planet, prompting new ideas about how planets form and evolve.

When a hunk of ice from another star system hurtles through our cosmic neighborhood, astronomers pay attention. When that ...

The third confirmed interstellar body to visit our solar system is being revealed as a time capsule from a very different ...

Astronomers have discovered a remarkable planetary system where three very different objects orbit a distant star—and their ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. The solar system has a few ...

Add Yahoo as a preferred source to see more of our stories on Google. A view of HOPS-315, a baby star some 1,400 light-years from Earth where astronomers have observed evidence for the earliest stages ...

Here’s what you’ll learn when you read this story: Every time an interstellar object comes whizzing into our Solar System, it brings with it a certain intrigue. Where is it from? How did it form? Why ...

Around 70,000 years ago, a small, reddish star came near our solar system and disturbed comets and asteroids – just when modern humans were beginning to leave Africa. The star – Scholz’s star – named ...

An interstellar object – a comet from a distant star system – is passing through the space between Jupiter and Mars, and according to a recent study, Comet 3I/Atlas may be 3 billion years older than ...