It's possibly as big as Manhattan, likely older than our own solar system, and it's traveling through space at speeds of up ...

Astronomers have revealed that the real center of our solar system isn't the sun. Gravity is playing a part in everything. The barycenter is the center.

The universe is supposed to look the same no matter where you stand. That idea, known as the cosmological principle, sits at ...

NASA has added interstellar comet 3I/ATLAS to its 'Eyes on the Solar System' app, allowing the public to track the object's ...

As a joke, she labelled it LGM 1 for “Little Green Men”, but the astronomers working on it did not really believe they had discovered aliens. They were, however, concerned about the possibility that ...

A newly discovered cluster of objects called the “inner kernel” of the Kuiper belt could teach us about the early history of ...

The interstellar comet 3I/Atlas reached its closest point to the sun. Here's how to follow the rest of its journey away from ...

On August 25th, 2012, humanity became an interstellar species. There was no fanfare or galactic welcome party as a humble robotic probe, the Voyager 1 spacecraft, crossed an invisible threshold. It ...

Harvard Astrophysicist Avi Loeb Spots 12th Anomaly In The Interstellar Comet The object flew past Mars on October 2, which ...

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 ...