The interstellar object 3I/ATLAS has gathered significant scientific attention, and soon it will reach its closest point to ...

Astronomers are abuzz with the discovery of a rogue planet, 2MASS J05325346+0919037, which is set to pass within 0.05 ...

On 29 October 2025, 3I/ATLAS will reach its closest distance to the sun. Should we worry? Here's what experts say.

Keck II telescope observations of interstellar object 3I/ATLAS found "evidence for a puzzling anti-tail extension" pointing ...

Need a refresher about 3I/ATLAS? Here's everything to know about the interstellar object, including when the latest ...

Comet 3I/ATLAS is warming up as it approaches the sun, causing a jet to emerge. The jet is visible in a dramatic new image.

The James Webb Telescope captures the beginning of planetary formation around the young star HOPS-315 for the first time.

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 ...

Our solar system may have an outer “edge” just outside the orbit of Pluto, astronomers announced recently. Their results suggest that early in the history of the solar system, some event stripped away ...

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 ...

The gravitational influence of dark matter on stellar motions within galaxies, particularly the high velocities of stars in the Milky Way, is the primary evidence for its existence. This influence is ...