Comet 3I/ATLAS, the third known interstellar object ever detected passing through our solar system, carries a chemical signature that does not match what astronomers typically see in comets born ...

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 ...

Astronomers studying the Kuiper Belt have detected a strange distortion that could point to an unknown planet lurking far beyond Neptune.

Add Yahoo as a preferred source to see more of our stories on Google. Hubble captured this image of the interstellar comet 3I/ATLAS on July 21. - NASA/ESA/David Jewitt (UCLA) A new image has revealed ...

Astronomers surveying the outer solar system have revealed that a rare object far beyond Neptune is moving in sync with the eighth planet in an unexpected way. Called 2020 VN40 and first discovered in ...

TAIPEI (Taiwan News) — An international team led by researchers from Academia Sinica’s Institute of Astronomy and Astrophysics has identified a rare celestial object on the fringes of the Solar System ...

Interstellar comet 3I/ATLAS's first reported sighting was on July 1, and it's going to be the closest it's ever been to Earth on Friday. Along the way, it reached several milestones leading up to what ...

Discover the rare interstellar comet 3I/ATLAS, captured by a Jupiter-bound spacecraft. Learn how this visitor from outside ...

After Pluto was stripped of its planetary status in August 2006 by the International Astronomical Union (IAU)—on the grounds that it was too similar to newly discovered objects beyond Neptune’s ...