NASA telescopes in Chile have discovered a comet from interstellar space, making its closest approach in October.

All eyes are on Comet 3I/ATLAS as astronomers worldwide chase the exotic ice ball through our solar system ...

A new interstellar object, A11pl3Z, has been discovered in our solar system, marking the third such object to be observed. It ...

Simon Wright is a graphic designer in Australia*. He decided he needed to challenge himself to give his brain a workout, so he created what he calls his “Solar System Challenge”: without using ...

Astronomers have confirmed that a recently spotted object is an interstellar visitor, and appears to have come from the ...

These observations showed that the object came from outside the solar system, and was extremely elongated and tumbling. 'Oumuamua displayed no comet-like tail but still moved under its own propulsion.

I came across an interactive NASA tool called Solar System Simulator. On it, you can view objects in our solar system from different viewpoints and moments in time. Fill out each drop down menu ...

Ever since humanity became aware of the Universe, we have wondered if we are alone. In 2017, this question took an unexpected turn with the discovery of 'Oumuamua, the first interstellar object ever ...

Astronomers have revealed new research showing that millions of new solar system objects are likely to be detected by a brand-new facility, which is expected to come online later this year.

Astronomers may have detected a dozen large objects lurking beyond the Kuiper Belt at the edge of our solar system, suggesting there could be another equally massive, "second Kuiper Belt" hiding ...

Astronomers in Japan have published their theory of an "Earth-like planet," dubbed Planet Nine, that's hiding in plain sight just a few billion miles behind Neptune.