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.

The mysterious interstellar object traveling through our solar system has been spotted acting like no other comet ever seen before, revealing its alien origins. Scientists from Michigan State ...

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 ...

Usually, comets are dormant blocks of rock and ice. They only wake up when they get close to a star. The intense heat causes ...

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

We have no idea what kind of life may exist on other planets, so it’s hard to know what to look for. Proxima Kósmos imagines ...

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 ...

Easy: Venus is the weirdest planet in the solar system. The most distant major planet from the sun and the last stop before ...