Comet 3I/ATLAS is only the third known object to enter the solar system from beyond it, and its brief passage is already ...

Object 3I/ATLAS is now too far from Earth to aim a telescope at, but prior observations showed some unusual behavior. The anomalous nature of the object led astrophysicist Avi Loeb to apply a thought ...

Strange objects from other star systems are visiting our solar system. These interstellar visitors are scientifically valuable but disappear quickly. Scientists are calling for a global response ...

Add Yahoo as a preferred source to see more of our stories on Google. This artist's impressions shows the unusual set up of the solar system around the LHS 1903 star (Handout) (Handout/ESA/AFP) ...

Our solar system’s latest and only third known interstellar visitor is becoming more fascinating by the week. Spotted in early July, the object, dubbed 3I/ATLAS, is widely believed to be a comet. It’s ...

In the distant reaches of the solar system are many icy objects that resemble snowmen. Now, a new study reveals the simple ...

Astronomers have captured some of the most detailed images of debris discs—rings of leftover dust, gas, and rocks that circle a star—from fully formed, "teenage" planetary systems. And those images, ...

This artist's impressions shows the unusual set up of the solar system around the LHS 1903 star - Copyright ESA/AFP Handout This artist's impressions shows the ...