Here’s what you’ll learn when you read this story: Every time an interstellar object comes whizzing into our Solar System, it brings with it a certain intrigue. Where is it from? How did it form? Why ...

Astronomers have recently detected a colossal object at the edge of our solar system, sparking excitement and curiosity within the scientific community. This discovery could provide crucial insights ...

(CNN) — 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 ...

Here’s what you’ll learn when you read this story: 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 ...

Planet Y is the latest in a series of hypothetical solar system planets that scientists have proposed in recent years, all with slightly different characteristics but collectively believed to be ...