Measurements of this interstellar comet’s molecular makeup show an excess of heavy water molecules that is dramatically ...

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

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 ...

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

An interstellar comet changed its chemistry after passing the Sun, revealing hidden layers and a surprising mix of carbon ...

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

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

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 ...

New research reveals that the mysterious interstellar visitor 3I/ATLAS comes from a very cold alien environment, new research ...

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 ...

Scientists are using advanced telescopes, models and AI to help them look for signs of life beyond Earth, including in ...

A mysterious interstellar comet older than the Sun is exposing alien chemistry and rewriting astronomy as we know it.