Have you ever wondered just how big space really is? It’s huge. In fact, it’s astronomical! The Colorado Scale Model Solar System depicts the Sun, the planets, and the distances between them all on ...

A newly discovered object speeding through our solar system is sparking excitement among astronomers because it’s not from around here. Believed to be a comet, the object is only the third celestial ...

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. The size of the solar system is defined by the volume ...

A study of the interstellar comet 3I/ATLAS reveals surprising characteristics: traveling at 57 km/s, it challenges ...

AROOSTOOK COUNTY, Maine (WAGM) - Aroostook County’s iconic Maine Solar System Model is about to get even bigger. Two new dwarf planet models are being added to the roadside attraction that has ...

Darryl Z. Seligman is supported by an NSF Astronomy and Astrophysics Postdoctoral Fellowship under award AST-2303553. This research award is partially funded by a generous gift of Charles Simonyi to ...

The James Webb Space Telescope has captured its first direct images of carbon dioxide in a planet outside the solar system in HR 8799, a multiplanet system 130 light-years away that has long been a ...

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 ...