The cosmos, in its vast expanse, continues to reveal awe-inspiring mysteries. The latest of these enigmas is a color-changing object that is making its way into our star system. The object’s unique ...

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 ...

Far beyond the bright planets, in the dim outskirts of the Solar System, astronomers keep stumbling on objects that refuse to follow the rules. Around Neptune in particular, a handful of newly charted ...

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 ...

While the Voyager spacecraft are constantly traveling out of the Solar System, sometimes they are getting closer to Earth.

The search for an unknown planet in our solar system has inspired astronomers for more than a century. Now, a recent study suggests a potential new candidate, which the paper’s authors have dubbed ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Objects such as 'Oumuamua, Borisov and recently 3I/ATLAS have opened our eyes to the reality that ...

Unlike YR4, finding earlier observations of 3I/ATLAS to model where it might have come from was easier said than done. During its July 1, 2025 detection, the interstellar object happened to be moving ...